I've had the best luck and accuracy from Trulia.
Hot Pads might be good too, I haven't used them much.
Zillow seems to never be accurate.
careful of pay upfront scams
craigslist is full of them
never give money unless you can walk in the property first, meet the landlord, even research them to make sure they own the property
why is someone from India asking this?
Just to move across town, try a realtor.
You go to any property management company to find you rentals.
I live in dallas and my family wants to move to a diffrent part in the city, all answers will be appreciated thanks :)