Hey Aaditya, Here are few for you :- Zostel delhi backpacker panda hostel HOG hostel go stops hostel Joeys hostel The hosteller Delhi The backpackers hostel Happy Travelling Bro!!!
Try Zostel where you'll be sharing your dormitory with like minded people. They're mostly foreighners and the exchange of thoughts and experience are the best thing that you'll do in Zostel. Login to there website for more details.