Bhasin was arrested from the Kashmiri Gate area of Delhi and has been taken to the All India Institute of Medical Sciences for tests.
Aditya, is still battling for his life whereas Marikant Thakur has sustained injuries but has no memory of the accident. Aditya's family is considering organ donation if he does not survive the accident.
The occupants of the car fled the spot after hitting them. They abandoned the BMW bearing a VIP number plate - at a petrol station 300 m from the accident spot and fled in another car.
Twenty-year-old Bhasin is a resident of Punjabi Bagh and an alumnus of a prominent Delhi school while the girl traveling with him is a class XII student at the same school.