Bangalore not only maintains its leadership in IT space but many popular ecommerce portals are based out of Bangalore

• Art/Posters/Photography
  
  • OyeBazaar

• Books
  
  • FlipKart - Online bookstore (now includes DVSs, Music, Games)
  • Sapna Book Store
  • IBH Prakashana Books - exclusive Kannada books on the net
• Bus Ticketing
  
  • KSRTC Online Booking
  • RedBus - Bus ticket reservation
• Electronics
  
  • FlipKart - Online bookstore (now includes DVSs, Music, Games)

• Multi-Product Shops
  
  • Koovs
  • Seventymm
  • Storrz
• Flight
  
  • Oneindia.in Flights
  • Via World - the leader in B2B online ticketing in the travel space

• Flowers
  
  • Oneindia Flowers
  • Ohana Fine Flowers
• Food
  
  • Chulha - Bangalore based tiffin-service provider with a single motto in mind: Delivering Mouthwatering & Healthy Food to people in need of the same.
  • Foodtang - Book a table, order takeaway
  • JustEat - Read restaurant reviews, book a table or a take away.
• Grocery
  
  • BigBasket
  • eCityIndia
  • TheIndiaMarket - available for Bangalore only
  • Zopnow
• Health
  
  • Ayur Shop - a complete ayurvedic store
  • The Skin Store
• Jewelery
  
  • BlueStone
• Sports
  
  • SportsNest
• Taxiforsure - Book your taxi in various major cities of India

Also See:

• Internet Portals
• Health Portals
• English Portals