If you were to live in Bangalore - the most expensive part of India
House Rent-Fully Furnished 10000(This is considered high rent in an affluent area)
Electricity Bill 1500 with AC
Gas 300
Food 2000 - 4000
Cable TV 250
Internet+Telephone 550
Water 1200
So total Rupees = Approx 16-18k
49 Rupees to $1 USD = $368 dollars a month
I would say comfortably you could live off a $1000 per month.