At least five teams of Delhi Police have been deployed to locate the vehicle, while neighbouring Uttar Pradesh and Haryana Police have also been alerted to maintain heightened vigilance.
The university has issued an official statement distancing itself from the doctors arrested in the case and stated that it is extending full cooperation to the investigating authorities.
His mother passed away three years ago, still waiting for her son to return, while his wife fled the village with their two children, choosing anonymity over social ostracism.
Accusing the security establishment of "serious lapses," Congress general secretary K C Venugopal said Amit Shah should resign if he has "any sense of responsibility."