The victim had approached Raja Mukerji to show her script when the latter tried to molest her in the car. Raja was sent for a medical test and then taken into police custody. He is currently lodged in Andheri lock-up. 

Rani Mukerji with brother Raja
Rani Mukerji with brother Raja at a Durga Puja. Pic/Pradeep Dhivar

A case under section 354 of the Indian Penal Code has been registered against Raja.

More details awaited...