Response as follows

Where do I start!

You don’t seem to have stated a budget constraint or location, so one can think of millions of ideas. And one can learn from thousands of entrepreneurs in Bangalore alone.

Digital startup ideas:

• Technical consulting – need to hire good technical people specialized in “hot” areas
  • eCommerce System Integrators
  • Payment gateways to enable eCommerce
  • eCommerce – Supply chains
  • eCommerce –Online stores and suppliers
  • eCommerce – Web development, support and maintenance
  • Big Data – Data aggregation and visualization tools
  • Big Data – Data Analytics and analysis
  • Big Data – Integration tools and technologies
  • Social Media (SMAC – Social, Mobile, Analytics and Cloud)
  • etc etc
• Digital product development. Similar to above, but developed as a product

Non-Digital startup ideas:

• Property development – Buy a site, construct flats, sell and make profit
• Ola, Uber or Meru other taxi-on-demand franchise
• Restaurants in a hot area (eg next to business district, colleges etc)
• Franchises
• etc etc