Which is the cheap and best Internet service available in chennai? ?

Heared of airtel prepaid service … Is it applicable for Home PC …. What all additional i would require to connect….? Please provide me pointers like which is the best way to connect to internet ..and also about What Is Broadband/Internet difference? I dont have landline as of now ..have airtel mobile..

MTNL – Chennai. All MTNLs have best and cheapest service. It comes with your telephone bill, no need of paying in advance or paying a fixed number of calls. ay as per your call that too after you had use it.