Falling stones cleared a truck, a transport and different vehicles from a stretch of parkway in Himachal Pradesh state.
Salvage tasks are being hampered by rocks that are proceeding to fall, authorities say.
A few destructive avalanches have hit India as of late during a strangely hefty rainstorm season.
Wednesday’s avalanche happened on a thruway in Kinnaur region. Ten individuals have been protected, yet around 30 others are as yet caught, reports say.
Line police are participating in the salvage endeavors and the National Disaster Response Force (NDRF) has been put on alert.
“We anticipate that the rescue operations should proceed as the night progressed, if not longer,” neighborhood official Abid Hussain Sadiq disclosed to Reuters news organization on Wednesday.
Nine individuals were killed last month in Himachal Pradesh when falling rocks hit their vehicle. Something like 136 individuals passed on in avalanches in the western territory of Maharashtra as of late get-togethers downpours overwhelmed many towns and cleared away homes.