Prime Minister Dr. Manmohan Singh today assured all help to the Assam government to deal with the flood situation in the state. He also directed the Defence Ministry to provide army assistance in rescue and relief operations in Assam. A PMO statement said, Dr. Singh called up Assam state Health Minister Hemanta Biswa Sarma to enquire about the condition in the state. The Prime minister also spoke to Defence Minister A K Antony urging to provide full army assistance for rescue and relief operations in the affected areas. A Home Ministry statement said, a total of 21 districts of Assam have been affected due to flood in the rivers of Brahamputra, Puthumari, Jiabharali, Burhidihing, Dhansiri, Beki and Manas. Rescue and relief operations are continuing in the flood affected areas. The Centre has deployed 15 teams of National Disaster Response Force- NDRF for carrying out rescue and relief operations. An Indian Air Force helicopter has also been deployed for air dropping of the food packets and resue operations. The Centre is closely monitoring the situation and is in constant touch with the State Government for extending required support and assistance.