State-run agencies have bought 11.92m tonnes of wheat from farmers so far this season, down 25% on the 15.92m tonnes bought in the same period a year ago
The accident happened on the Kota-Dausa highway after the driver reportedly lost control causing the bus carrying a wedding party to fall in the river.
Rescue teams rushed to the spot to recover the bodies and shift the injured to hospital for treatment.
India's roads are among the world's deadliest, with over 460,000 accidents in 2017 that killed nearly 148,000 people, according to government data.