• Can an NRI or foreigner drive a vehicle in India on the basis of European license or driving license issued by any foreign countrya? 

He can not. However if he has obtained an IDP from his own country and his country is a signatory to the 1949 Geneva Convention he can drive in India the specified category of vehicle till the IDP is valid. 

• What is the validity of IDP issued in India? 

The validity of IDP is one year from the date of its issue or the validityof the domestic license whichever is earlier. 

• Can IDP be issued to an NRI/foreigner?

No IDP in India can be issued only to Indian citizens.