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Custom E-Commerce Development · Delhi, India

Custom E-Commerce Development in Delhi, India

Your custom e-commerce platform is planned, designed and coded for your business model — not adapted from someone else's — and it can ship with a customer or staff mobile app on day one. Checkout with UPI (Google Pay, PhonePe, Paytm) and RuPay, Visa and Mastercard cards, delivery through Delhivery or your own team, and GST-ready invoicing.

  • Web platform + Android/iOS app
  • UPI (Google Pay, PhonePe, Paytm) and RuPay, Visa and Mastercard cards
  • Delivery via Delhivery
  • Demo within 24 hours
Cloud servers hosting a custom e-commerce platform — Delhi

Quick answer

Who builds a custom e-commerce platform in Delhi, India?

NNT Mart by N&T Software builds custom custom e-commerce platforms and mobile apps for businesses in Delhi, India, designed to each client's requirements. Platforms support UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards and net banking, ship through Delhivery and Blue Dart, follow the Digital Personal Data Protection Act 2023 and the DPDP Rules 2025, and come with a free demo within 24 hours of the requirements meeting.

Key takeaways

  • Your custom e-commerce platform is planned, designed and coded for your business model — not adapted from someone else's — and it can ship with a customer or staff mobile app on day one.
  • Checkout ready for UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards and net banking, with delivery through Delhivery and Blue Dart or your own team.
  • GST-ready invoicing and controls designed around the Digital Personal Data Protection Act 2023 and the DPDP Rules 2025.
  • Free demo within 24 hours of the requirements meeting; you own 100% of the source code after final payment.

Why Delhi businesses are investing in custom e-commerce platforms

Delhi is a megacity and union territory of india, where around 26 million people live and shop, and one of the markets in Delhi, India where we build custom e-commerce platforms.

Across Delhi, the economy is shaped by government, wholesale trade (Chandni Chowk, Sadar Bazar), services, startups and one of India's richest consumer markets, with New Delhi as the state capital.

India has more than 6 crore (60 million) MSMEs registered on the Udyam portal (Ministry of MSME). India has the world's largest real-time payments system in UPI and one of the fastest-growing online shopper bases, increasingly from tier-2 and tier-3 cities. Businesses that own their store — with UPI, COD, regional languages and WhatsApp updates — build loyal customers instead of renting them from marketplaces.

For a business in Delhi, the opportunity is to own the customer relationship: your own custom e-commerce platform keeps your margin, your data and your brand, while marketplaces and social channels become additional sales routes instead of the only one.

What makes a Delhi store feel local

Conversion in Delhi depends on small local signals — the right currency, the right words and the right payment and courier names.

Currency and pricing

Everything a Delhi shopper sees — price, tax, delivery fee, refund — is in INR, written the local way.

Language and content

Storefront copy, product pages and emails can run in Hindi, English and Punjabi, with local date and number formats.

Local trust signals

Trust is local: familiar names such as UPI (Google Pay, PhonePe, Paytm) and RuPay, Visa and Mastercard cards and Delhivery sit next to the buy button.

Domain, phone and contact

A .in domain (or your own) builds local trust and search relevance. Contact buttons are pre-set with +91, so a customer in Delhi taps once to call or message.

Designed to your requirements, not a template

Your custom e-commerce platform is planned, designed and coded for your business model — not adapted from someone else's — and it can ship with a customer or staff mobile app on day one.

Typical clients include multi-brand groups, businesses outgrowing SaaS platforms, companies migrating legacy stores and regulated sectors. Categories that sell especially well online in India — mobiles and electronics, fashion and ethnic wear, beauty and personal care and groceries and FMCG — get catalogue structures and filters designed for them.

We start with a requirements meeting, show you a working demo within 24 hours, and only then propose scope, milestones and budget.

Features of your custom e-commerce platform in Delhi

Nothing here is fixed: modules are switched on, reshaped or built from scratch around how your Delhi business sells.

Custom workflows

Product configurators, made-to-order flows, approvals, contracts and industry-specific rules. Catalogues come in from spreadsheets, ERP exports or supplier feeds, so your Delhi team keeps its current way of working.

Headless architecture

API-first commerce with a fast front end, so web, app, kiosk and marketplace channels share one backend. Payment steps are built around UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards and net banking, the options shoppers here already trust.

Multi-entity operations

Multiple brands, companies, warehouses, currencies and tax registrations on one platform. Shipping rules can use Delhivery, Blue Dart and Shiprocket as well as your own delivery staff in Delhi.

Deep integrations

ERP, PIM, WMS, CRM, POS, accounting and legacy systems with reliable, monitored data sync. Multiple stock points in Delhi are supported, so a Delhi order ships from the nearest one.

Migration

Move from older platforms with product, customer and order history, SEO-safe redirects and parallel runs. Dashboards break sales down by product, customer and neighbourhood of Delhi, so you see what to promote.

Performance and security

Caching, CDN, load testing, security hardening, audit logs and cloud infrastructure as code. Storefront language, imagery and navigation are set up for Delhi shoppers and available in Hindi and English.

Who we build for in Delhi

Popular online categories in India include mobiles and electronics, fashion and ethnic wear, beauty and personal care, groceries and FMCG, home and kitchen and B2B industrial supplies. In Delhi, we most often build custom e-commerce platforms for:

Enterprises with complex catalogues

For enterprises with complex catalogues, we usually start with headless architecture, then add SAP, Oracle, Microsoft Dynamics and Odoo ERPs once orders are flowing.

Multi-brand groups

Catalogue, pricing and fulfilment rules designed for multi-brand groups in Delhi, connected to the systems you already use.

Businesses outgrowing SaaS platforms

Businesses outgrowing SaaS platforms get multi-entity operations plus migration workflows tailored to their operations.

Companies migrating legacy stores

We map how companies migrating legacy stores sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.

Regulated sectors

For regulated sectors, we usually start with performance and security, then add search engines (Elasticsearch, Algolia) once orders are flowing.

High-traffic retailers

Catalogue, pricing and fulfilment rules designed for high-traffic retailers in Delhi, connected to the systems you already use.

Getting paid online in Delhi

A store that serves Delhi should let customers pay the way they do offline: UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards, net banking and cash on delivery.

Provider approval, settlement time and fees differ by business type, so we shortlist gateways with you, then wire up status updates, refunds and reconciliation in INR with GST invoices — card details stay with the provider.

  • Cash on delivery
  • EMI and cardless EMI
  • Net banking
  • RuPay, Visa and Mastercard cards
  • UPI (Google Pay, PhonePe, Paytm)
  • Wallets and UPI AutoPay for subscriptions

Delivery and fulfilment from Delhi

Your custom e-commerce platform can book shipments and share tracking with Delhivery, Blue Dart, Shiprocket, DTDC, Xpressbees, Ecom Express and India Post, or route orders to your own riders and stores across Delhi.

We set up shipping zones, cut-off times, free-shipping thresholds, cash-collection rules and returns so the promise on the product page matches what your team can deliver.

Delhi sellers: marketplace plus your own store

For a Delhi business, Amazon.in, Flipkart, Meesho and Myntra are useful shop windows — but fees, ranking changes and shared customer data limit how far you can grow on them alone.

With your own custom e-commerce platform you keep the customer data, set the offers and the packaging, and still push stock to marketplaces from a single admin.

Tax, invoicing and compliance in Delhi

India levies GST, rationalised in September 2025 into main slabs of 5% and 18% with a 40% rate for select goods; e-commerce operators collect TCS, and e-invoicing and e-way bills apply above set thresholds.

Businesses registered in Delhi carry GST state code 07 in their GSTIN, and intra-state sales are billed as CGST + SGST while sales to other states are billed as IGST.

Customer data is handled with the Digital Personal Data Protection Act 2023 and the DPDP Rules 2025, alongside the IT Act 2000 in mind, and the storefront follows the Consumer Protection (E-Commerce) Rules 2020, which require seller details, country of origin, grievance officers and clear return and refund policies, plus the Legal Metrology rules on product labelling.

Our job is the engineering: price display with tax, invoice numbering, cookie and marketing consent, return and terms pages, role-based access and logs. Legal and tax conclusions stay with your own adviser in Delhi.

Mobile commerce in Delhi

In Delhi, shoppers browse on phones first. Because the platform is API-first, customer, staff and partner mobile apps can be added at any point without rebuilding the backend.

Apps are published under your own developer accounts and share the same backend as your custom e-commerce platform, so offers, stock and orders are always consistent between web and mobile.

Push notifications can be timed to UTC+5:30 so offers reach Delhi customers when they are awake, and the interface can run in Hindi and English.

  • SAP, Oracle, Microsoft Dynamics and Odoo ERPs
  • BI and data warehouses
  • Cloud platforms (AWS, Azure, GCP)
  • PIM and DAM
  • Search engines (Elasticsearch, Algolia)
  • WMS and 3PL systems
  • POS and store systems
  • Identity and SSO

Integrations above are examples; we connect any system that offers a suitable API, database access or approved import and export process.

From first demo to growth in Delhi

We launch the journeys that create value first, then add depth. A typical roadmap for a custom e-commerce platform in Delhi:

PhaseWhat goes live
FoundationArchitecture, core commerce, priority integrations and migration. Configured for INR, UPI (Google Pay, PhonePe, Paytm) and Delhivery from the start.
DifferentiateCustom workflows, configurators and automation.
OptimisePerformance, new channels, apps and continuous enhancement. Reviewed against how Delhi customers actually buy.

We track page load and API response times, uptime, order-sync accuracy, manual-work hours saved, release frequency and total cost of ownership on a live dashboard from day one, so Delhi results are visible, not promised.

Working with our team from Delhi

Delhi runs on UTC+5:30, the same clock as our engineering team in India. With three 8-hour shifts we are available 24×7, so meetings, demos and urgent fixes happen in your working hours.

Project communication is in English; storefront content can be produced in Hindi, English and Punjabi. You get a named lead, direct engineer access and an NDA if you ask.

Our head office is in Chhapi, Gujarat, with an office in Hyderabad and representation in Nigeria, South Africa, Ethiopia and Zambia; Delhi clients are served remotely with on-site workshops when the project needs them.

Delhi — local market for custom e-commerce platforms
Delhi · Photo: Wikimedia Commons
Analytics dashboard monitoring a custom commerce platform — Delhi

Delhi — the market we build for

Engineer writing code for a custom e-commerce platform — Delhi
Custom E-Commerce Development

How we work

How a custom e-commerce platform project runs with N&T Software for Delhi

Every custom e-commerce platform we build follows the same staged, quality-gated process, shaped around your requirements. You see progress every day, review it every week and give written sign-off at each milestone before any payment is due.

  1. 01

    Discover

    ✓ Scope signed off

  2. 02

    Design

    ✓ Architecture OK

  3. 03

    Build

    ✓ Sprint accepted

  4. 04

    Secure & Test

    ✓ UAT signed off

  5. 05

    Deploy

    ✓ Cutover done

  6. 06

    Handover

    ✓ Code handed over

  7. 07

    Support

    ✓ SLA active

Pay only for work you have accepted

There is no standard price list, because every custom e-commerce platform is quoted to your requirements and budget. What is standard is how you pay: a small advance, then milestones released only after written acceptance. An example:

Launch is where your custom e-commerce platform starts earning — so we stay accountable

Every project includes a free 90-day defect warranty. After that, the same team that built your custom e-commerce platform keeps it secure, updated and running on a fixed annual fee agreed up front — no open-ended hourly billing and no surprise invoices.

100% of the source code and IP is owned by you

For every custom e-commerce platform, upon full and final payment the complete source code and intellectual property are transferred to you — so you can host, maintain and enhance the system with any developer.

Read the full Custom E-Commerce Development delivery process — reporting, payment milestones, warranty, team and engagement models →

Custom E-Commerce Development in Delhi — FAQs

Which parts of Delhi do you build for?

the platform is not tied to one neighbourhood: delivery zones, pickup points and prices can be set for any part of Delhi and across Delhi.

Do I own the source code of my custom e-commerce platform?

Yes. After full and final payment, 100% of the source code, design files, database schemas, deployment scripts and documentation are transferred to you, with no lock-in or forced subscription.

How long does it take to launch a custom e-commerce platform in Delhi?

Timelines are agreed around your scope. You see a demo within 24 hours of our requirements meeting, and a phased plan lets priority journeys go live first while further modules follow.

How much does a custom e-commerce platform cost in Delhi?

There is no fixed package price: every NNT Mart custom e-commerce platform is quoted to your requirements and budget after a free requirements meeting and demo. Cost depends on catalogue size, integrations, payment and delivery rules, mobile apps and support. Payments are split into milestones, and 90% is released only after you accept working modules.

What sells best online in Delhi?

Mobiles and electronics, fashion and ethnic wear, beauty and personal care and groceries and FMCG are strong online categories in India. We shape the catalogue, filters and checkout around what your own customers buy.

Do you provide support after launch for clients in Delhi?

Every project includes a free 90-day defect warranty, followed by an optional fixed-fee annual support package with a dedicated developer, SLA-based fixes and a 24×7 helpdesk across three shifts.

Can you migrate my existing website or store in Delhi?

Yes. We review your current platform, products, customers, orders and URLs, then migrate with redirects so you keep search rankings and order history.

Which couriers do you integrate for deliveries from Delhi?

Common choices are Delhivery, Blue Dart, Shiprocket, DTDC, Xpressbees, Ecom Express and India Post. We can also route orders to your own riders, stores or warehouses and set rules by zone, weight or delivery slot.

Is there a custom e-commerce platform development company near me in Delhi?

NNT Mart serves Delhi remotely from India, so you do not need a local office. The requirements meeting is online or by phone in your working hours (on the same clock as our team in India (IST)), we reply within 10 minutes any day, and you see a working demo within 24 hours of the meeting.

How do I choose the best custom e-commerce platform development company for Delhi?

Compare partners on four things: custom work to your requirements, local payment and delivery support, full source-code ownership and post-launch support. NNT Mart covers all four, with UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards and net banking checkout, Delhivery delivery, 100% source code after final payment and a free 90-day defect warranty.

Is NNT Mart an ecommerce agency or an ecommerce platform for Delhi businesses?

NNT Mart is the e-commerce platform and development team of N&T Group, run by N & T Software Private Limited. Think of it as your ecommerce agency in India for Delhi: we design, build and support stores, B2B ecommerce portals, marketplaces and apps to your requirements.

Free demo in 24 hours

Plan your custom e-commerce platform in Delhi

Tell us what you sell and how you take orders today. We reply within 10 minutes, meet you to understand your requirements, and share a working demo within 24 hours.

We reply within 10 minutes, 24×7. Your details are used only to respond to your enquiry — see our privacy policy.

Tell us what you sell. We will show you a working demo in 24 hours.

Free requirements meeting, a demo built on your use case and a proposal priced to your budget — with no obligation.

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