HI, E-commerce is basically the buying and selling of goods and services, or the transmitting of funds or data, over an electronic network, primarily the internet. These business transactions occur either as business-to-business, business-to-consumer, consumer-to-consumer or consumer-to-business. 

Talking about the scope YES it has a very good scope in the future and today everything is processed online.

Some of the colleges you can apply in are:

LPU

Chandigarh University

Mahatma Gandhi Memorial college

You will most most of the certification courses or PG courses in it mainly.

Good luck.