Why Katihar businesses are investing in custom e-commerce platforms
Katihar is a commercial centre in Bihar, India, and one of the places where we build custom e-commerce platforms for local businesses.
Rail junction and jute trade — a business base that increasingly wants to sell online rather than through calls, messages and spreadsheets.
Across Bihar, the economy is shaped by agriculture (makhana, litchi, maize), food processing, textiles and a large consumer market, with Patna 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.
Shoppers and trade buyers in Katihar 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 Katihar project
A store that works in Katihar respects local habits as well as local law. These are the details we configure first.
Currency and pricing
Prices, taxes, shipping and refunds are shown in Indian rupee (INR), formatted the way Katihar customers read them.
Language and content
Content can be produced in Hindi, Maithili and Bhojpuri, so a Katihar customer reads the store in the language they use at home.
Local trust signals
We add the payment logos, courier names and policy pages shoppers in Katihar recognise: UPI (Google Pay, PhonePe, Paytm) and RuPay, Visa and Mastercard cards and delivery through Delhivery.
Domain, phone and contact
Using .in where it suits you signals a local business to shoppers and search engines. Click-to-call and WhatsApp buttons use the +91 calling code so customers reach you without dialling errors.
Designed to your requirements, not a template
We do not hand Katihar 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 Katihar 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 Katihar clients
These are the building blocks of a custom e-commerce platform. We scope them with you, so you pay for what your Katihar operation needs.
Custom workflows
Product configurators, made-to-order flows, approvals, contracts and industry-specific rules. Storefront language, imagery and navigation are set up for Katihar shoppers and available in Hindi and Maithili.
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 Katihar team keeps its current way of working.
Multi-entity operations
Multiple brands, companies, warehouses, currencies and tax registrations on one platform. Payment steps are built around UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards and net banking, the options shoppers here already trust.
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 Katihar.
Migration
Move from older platforms with product, customer and order history, SEO-safe redirects and parallel runs. Stock can be held in Katihar or anywhere in Bihar, with pickup and local-delivery options where they make sense.
Performance and security
Caching, CDN, load testing, security hardening, audit logs and cloud infrastructure as code. Revenue reports by product, repeat buyer and delivery area of Katihar guide stock and marketing decisions.
Industries in Katihar we work with
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. Rail junction and jute trade — which shapes what local businesses need online. In Katihar, we most often build custom e-commerce platforms for:
Enterprises with complex catalogues
Catalogue, pricing and fulfilment rules designed for enterprises with complex catalogues in Katihar, connected to the systems you already use.
Multi-brand groups
Multi-brand groups get headless architecture plus deep integrations workflows tailored to their operations.
Businesses outgrowing SaaS platforms
We map how businesses outgrowing SaaS platforms sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.
Companies migrating legacy stores
For companies migrating legacy stores, we usually start with migration, then add POS and store systems once orders are flowing.
Regulated sectors
Catalogue, pricing and fulfilment rules designed for regulated sectors in Katihar, connected to the systems you already use.
High-traffic retailers
High-traffic retailers get performance and security plus headless architecture workflows tailored to their operations.
Payments customers in Katihar expect
Checkout is where most online sales are won or lost. In India, customers expect to pay with UPI (Google Pay, PhonePe, Paytm), RuPay, Visa and Mastercard cards and net banking, and many also look for cash on delivery, EMI and cardless EMI and wallets and UPI AutoPay for subscriptions.
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
- Wallets and UPI AutoPay for subscriptions
- UPI (Google Pay, PhonePe, Paytm)
- Net banking
- EMI and cardless EMI
- RuPay, Visa and Mastercard cards
Shipping, couriers and local delivery in Katihar
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 Katihar.
Delivery rules can price by distance, weight, postcode or zone, offer same-day slots in dense areas, and switch on pickup points or click-and-collect where customers prefer them.
Owning your channel in India
Selling in Katihar through Amazon.in, Flipkart and Meesho gets you reach quickly, yet the buyer belongs to the platform, not to you.
NNT Mart gives you a channel you own: your domain, your customer list, your pricing and your brand. Where it helps, we connect product feeds and orders from marketplaces so stock stays in sync and your team works from one dashboard.
Compliance built into your custom e-commerce platform
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 Bihar carry GST state code 10 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.
Controls we implement include compliant invoices, consent capture, policy pages, restricted staff access and audit trails. Please confirm the final legal and tax position with a local adviser in Katihar.
Android and iOS apps for your Katihar business
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.
Push notifications can be timed to UTC+5:30 so offers reach Katihar customers when they are awake, and the interface can run in Hindi and Maithili.
- Cloud platforms (AWS, Azure, GCP)
- WMS and 3PL systems
- PIM and DAM
- SAP, Oracle, Microsoft Dynamics and Odoo ERPs
- Identity and SSO
- POS and store systems
- Search engines (Elasticsearch, Algolia)
- BI and data warehouses
Integrations above are examples; we connect any system that offers a suitable API, database access or approved import and export process.
A phased launch plan for Katihar
Value first, depth later. For a custom e-commerce platform serving Katihar, the usual sequence looks like this:
| Phase | What goes live |
|---|---|
| Foundation | Architecture, core commerce, priority integrations and migration. Configured for INR, UPI (Google Pay, PhonePe, Paytm) and Delhivery from the start. |
| Differentiate | Custom workflows, configurators and automation. |
| Optimise | Performance, new channels, apps and continuous enhancement. Reviewed against how Katihar 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 Katihar results are visible, not promised.
Support hours and communication for Katihar
Katihar 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.
We work in English and can deliver storefront content in Hindi, Maithili and Bhojpuri. 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; Katihar clients are served remotely with on-site workshops when the project needs them.