According to Station Officer Srinagar police station Pratipal Singh Rautela, the mishap took place at Kaliyasaun in Pauri district, when the bus carrying the jawans of Assam Rifles fell into a gorge.
The jawans were returning to Dehradun after completing their training at Joshimath, police said adding that when the bus reached near Kaliyasaun, the driver lost control over the bus, while negotiating a turn.
Rautela said, of the 33 injured jawans, who were admitted to Shrikot hospital, 13 were discharged after administering them first-aid, while 20 of them are still undergoing treatment.
The Station Officer also said that no casualty has been reported so far.