The districts of Doda, Reasi, Rajouri and Udhampur have been severely hit.
Thousands of homes, government buildings and panchayat offices have been submerged completely or partially in the Jammu region.
Residents of some of the areas in Rajouri, Reasi, Doda and Udhampur are forced to live under the open sky.
BSNL officials said in Jammu that out of its 371 exchanges in the Kashmir Valley, 121 have been completely damaged and rendered non-functional.
“We have restored 31 of these and more are likely to be restored by this (Thursday) evening,” an official said.
Water level in two major rivers of Jammu region – Chenab and Tawi – continued to retreat Thursday as the weather remained dry here.
Compared to the valley where there is total chaos with the administration admitting that more than four lakh people still have to be rescued, the state government and its officials are more visible in the Jammu region.