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Custom E-Commerce Development · New Delhi, Delhi

Custom E-Commerce Development in New Delhi, Delhi

New Delhi businesses tell us what they sell and how they want to sell it; our engineers turn that into a custom custom e-commerce platform, an admin system and a mobile app shaped around their operations. 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 — New Delhi

Quick answer

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

NNT Mart by N&T Software builds custom custom e-commerce platforms and mobile apps for businesses in New Delhi, Delhi, 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

  • Whatever your business sells in New Delhi, N&T Software designs and develops the custom e-commerce platform and the matching mobile app exactly to your requirements — your catalogue, your prices, your payment and delivery rules.
  • 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 a custom e-commerce platform makes sense for New Delhi

New Delhi is a capital city of india, home to about 250,000 people, and one of the markets in Delhi, India where we build custom e-commerce platforms.

National capital and government district — a business base that increasingly wants to sell online rather than through calls, messages and spreadsheets.

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

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.

Shoppers and trade buyers in New Delhi already compare options on their phones; a custom e-commerce platform that loads fast, shows accurate stock and accepts UPI (Google Pay, PhonePe, Paytm) turns that research into orders.

Local details we build into every New Delhi project

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

Currency and pricing

Prices, taxes, shipping and refunds are shown in Indian rupee (INR), formatted the way New Delhi customers read them.

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

Badges for UPI (Google Pay, PhonePe, Paytm) and RuPay, Visa and Mastercard cards, Delhivery delivery and clear return terms reassure first-time buyers in New Delhi.

Domain, phone and contact

Using .in where it suits you signals a local business to shoppers and search engines. Contact buttons are pre-set with +91, so a customer in New Delhi taps once to call or message.

Designed to your requirements, not a template

We do not hand New Delhi businesses a ready-made theme: we study how you sell, then build the online platform and Android/iOS app your customers and staff actually need.

In New Delhi we typically work with enterprises with complex catalogues, multi-brand groups, businesses outgrowing SaaS platforms and companies migrating legacy stores, and with sellers in categories such as mobiles and electronics, fashion and ethnic wear, beauty and personal care and groceries and FMCG that have strong online demand across India.

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

Core modules we build for New Delhi clients

These are the building blocks of a custom e-commerce platform. We scope them with you, so you pay for what your New Delhi operation needs.

Custom workflows

Product configurators, made-to-order flows, approvals, contracts and industry-specific rules. Content and design can follow how customers in New Delhi search and buy, including Hindi and English where you need it.

Headless architecture

API-first commerce with a fast front end, so web, app, kiosk and marketplace channels share one backend. Catalogues come in from spreadsheets, ERP exports or supplier feeds, so your New Delhi team keeps its current way of working.

Multi-entity operations

Multiple brands, companies, warehouses, currencies and tax registrations on one platform. Checkout is configured for UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards and net banking.

Deep integrations

ERP, PIM, WMS, CRM, POS, accounting and legacy systems with reliable, monitored data sync. Shipping rules can use Delhivery, Blue Dart and Shiprocket as well as your own delivery staff in New Delhi.

Migration

Move from older platforms with product, customer and order history, SEO-safe redirects and parallel runs. Multiple stock points in Delhi are supported, so a New Delhi order ships from the nearest one.

Performance and security

Caching, CDN, load testing, security hardening, audit logs and cloud infrastructure as code. Dashboards break sales down by product, customer and neighbourhood of New Delhi, so you see what to promote.

Who we build for in New 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. National capital and government district — which shapes what local businesses need online. In New Delhi, we most often build custom e-commerce platforms for:

Enterprises with complex catalogues

Enterprises with complex catalogues get custom workflows plus multi-entity operations workflows tailored to their operations.

Multi-brand groups

We map how multi-brand groups sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.

Businesses outgrowing SaaS platforms

For businesses outgrowing SaaS platforms, we usually start with deep integrations, then add WMS and 3PL systems once orders are flowing.

Companies migrating legacy stores

Catalogue, pricing and fulfilment rules designed for companies migrating legacy stores in New Delhi, connected to the systems you already use.

Regulated sectors

Regulated sectors get migration plus custom workflows workflows tailored to their operations.

High-traffic retailers

We map how high-traffic retailers sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.

Payments customers in New Delhi expect

A store that serves New 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.

Gateway selection depends on your category and merchant approval; we connect the provider, reconcile payments, automate retries and refunds, and never store raw card data. Prices, taxes and refunds appear in Indian rupee (INR), with GST-ready invoices.

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

Delivery and fulfilment from New 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 New 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.

Your own store alongside Amazon.in and Flipkart

Amazon.in, Flipkart and Meesho are where many shoppers in New Delhi start, which is why sellers list there. The trade-off is commission, limited branding and rules the platform can change overnight.

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

Tax basics: 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.

Two frameworks shape the build: the Digital Personal Data Protection Act 2023 and the DPDP Rules 2025, alongside the IT Act 2000, and 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.

We build the technical controls — tax-inclusive pricing, compliant invoices, consent banners, terms and return pages, data-access roles and audit logs. We are not a law firm, so final legal and tax positions should be confirmed with your own adviser in Delhi.

Take your New Delhi store onto customers' phones

In New 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.

One backend serves the website and the apps, and the apps ship under your own Google Play and App Store accounts — so what you change once appears everywhere.

Order alerts, offers and abandoned-cart reminders go out on New Delhi time (UTC+5:30), in Hindi and English if you want.

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

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 New Delhi

Value first, depth later. For a custom e-commerce platform serving New Delhi, the usual sequence looks like this:

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 New Delhi customers actually buy.

Success is measured on page load and API response times, uptime, order-sync accuracy, manual-work hours saved, release frequency and total cost of ownership — tracked on a dashboard you can see from launch day.

How New Delhi clients work with us

Our team covers UTC+5:30 — the same clock as our engineers in India — through three 8-hour shifts, so a New Delhi client always reaches someone during the local working day.

We work in English and can deliver storefront content in Hindi, English and Punjabi. NDAs are signed on request, and you get a named project lead plus direct access to the engineers building your custom e-commerce platform.

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

Engineer writing code for a custom e-commerce platform — New DelhiAnalytics dashboard monitoring a custom commerce platform — New Delhi

New Delhi — the market we build for

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

How we work

How we deliver your custom e-commerce platform in New Delhi

Your custom e-commerce platform is designed and built to your specification through seven clear stages. Daily updates, weekly reviews and a signed acceptance at each milestone keep the project transparent from the first workshop to the support desk.

  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

You approve the working result before you pay

Milestones are customised to your requirements — six or more is typical, and delivery time is agreed around your scope. Every payment after the advance is released only after you have seen the working result and given written sign-off. Here is an example plan for a custom e-commerce platform:

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.

No lock-in: the platform is yours

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 New Delhi — FAQs

How much does a custom e-commerce platform cost in New 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.

Which couriers do you integrate for deliveries from New 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.

What sells best online in New 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 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.

Can you migrate my existing website or store in New Delhi?

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

Can I also sell on Amazon.in and Flipkart?

Yes. Your own custom e-commerce platform can sit alongside Amazon.in, Flipkart and Meesho; where APIs allow, we sync products, stock and orders so your team manages everything from one admin.

Which payment methods can my custom e-commerce platform accept in New Delhi?

We can integrate UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards, net banking, cash on delivery, EMI and cardless EMI and wallets and UPI AutoPay for subscriptions, subject to provider approval for your business category. Amounts are handled in Indian rupee.

How long does it take to launch a custom e-commerce platform in New 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.

Free demo in 24 hours

Plan your custom e-commerce platform in New 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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