The accident took place around 4.30am on the Mathura-Jajampatti road near Mogarra village of Mathura, superintendent of police (rural) Aditya Shukla said. All the bodies have been recovered.
The dead include two children. The nine relatives were from Rajeev Colony in Subhash Nagar of Bareilly and were on their way to offer prayers at Mehendipur Balaji temple in Dausa district of Rajasthan.
The nine relatives were identified as Mahesh Sharma, Deepika Sharma, Poonam Sharma, Ritwik Sharma, Hardik Sharma, Rohan, Khusboo, Himanshi and Surabhi. They were identified from the Aadhaar cards that they carried.
The driver was identified as Harish Chand from Bichuria in Dinawar of Bareilly district.
“Their relatives in Bareilly have been informed. The car was coming from Bharatpur,” said Mathura senior superintendent of police Vinod Kumar Mishra.
Angry locals protested, seeking repair of a small bridge in the area and the ill-maintained road. Some said similar accidents have taken place in the past too as the road was narrow.
A crane was called in pull out the car from the water.