Rescue services in the affected regions have begun rescue operations.
Eight people died in the northeastern state of Nagaland, bordering Myanmar, and another 11 lost their lives in Indian-administered Jammu and Kashmir.
Read more Painful loss: titled judo athlete has died
“We have recovered four of the eight bodies, rescue work is ongoing,” Nagaland Mono district magistrate Wennyei Konyakas told the news agency AFP.
According to him, at least 15 other people were injured.
Jammu and Kashmir Chief Minister Omar Abdullah “expressed deep sorrow over the massive sudden flood in Rajouri,” located in the Jammu region, his office said in a statement.
The flood “caused huge damage to public and private property, including the bus station, and destroyed the lives of many people,” his office added.
Indian broadcaster NDTV reported that at least 11 people died in the Jammu region, and several others are missing.
Army personnel and state rescue services rescued 11 people, including five children, in Jammu Rajouri district, the army said.
The Indian Meteorological Department warned on Sunday that “extremely heavy rains” may occur in Jammu and Kashmir over the next two days.
Read more «Cratered like after a nuclear explosion»: after the attack on «Wildberries» – Russians went mad
Officials also announced a “temporary suspension of the annual Hindu Amarnath pilgrimage” in the Kashmir region.
The pilgrimage was suspended “to ensure the safety and well-being of all pilgrims,” local authorities said in a statement on Sunday.
It “will be resumed only when weather conditions improve and the routes are deemed safe,” it added.
Last year, more than 400,000 Hindus participated in the month-long pilgrimage in this region.
Officials also suspended the Hindu pilgrimage to the Vaishno Devi temple in Jammu, which is visited by millions of people annually.
Floods and related accidents occur annually in India during the monsoon season, which begins after a long regional summer when many parts of the country face water shortages and droughts.
Read more Protesters demand a ban on tourist horse carriages in the Polish Tatras
