I want to purchase scuba diving equipments for fresh water diving. Please guide me from where I can get them, which equipments are required for diving in pool diving.

You can buy them from
http://www.amazon.com/gp/search?ie=UTF8&keywords=scuba%20diving&tag=p045-20&index=sporting&linkCode=ur2&camp=1789&creative=9325
Hope this helps
Good luck!