PTI, Guwahati :Union home minister Rajnath Singh is in Assam to take stock of the damage caused by the ongoing floods, which have so far killed 26 people. Floods are ravaging Bihar too, where 26 people have died and 25 lakh people have been displaced.Nine army columns deployed for floor relief in Assam & Bihar. While Kishanganj alone accounted eight flood-related deaths, seven others perished in Purnia district, the state Disaster Management Department said on Friday.Katihar and Madhepura district accounted for two deaths each, while Araria and Saharsa recorded one casualty each in the current wave of floods, it said in a statement.Union home minister Rajnath Singh is in Assam to take stock of the damage caused by the ongoing floods, which have so far killed 26 people. Floods are ravaging Bihar too, where 26 people have died and 25 lakh people have been displaced.Mr Singh, accompanied by Union Minister of State for Home Kiren Rijiju and Minister for DoNER Jitendra Singh, will take stock of the situation in the districts of Nagaon and Morigaon besides the Kaziranga national park.Almost 80 per cent of the Kaziranga national park is submerged in water. The home minister conducted an aerial survey and meet flood-affected people in Morigaon district.Mr Singh is expected to meet Assam Chief Minister Sarbananda Sonowal and state government officers in Guwahati before returning to Delhi in the evening.Flood situation in Assam has worsened with five more deaths taking the toll to 13 in the current deluge.The affected districts are Lakhimpur, Golaghat, Jorhat, Bongaigaon, Dhemaji, Barpeta, Goalpara, Dhubri, Darrang, Morigaon, Sonitpur, Nalbari, Sivasagar, Kokrajhar, Dibrugarh, Tinsukia, Biswanath, Kamrup Metropolitan, Chirang, Nagaon, Kamrup and South KamruAn estimated 21.99 lakh people have been affected by flood across 10 districts — Purnia, Kishanganj, Araria, Darbhanga, Madhepura, Bhagalpur, Katihar, Saharsa, Supaul and Gopal district, the statement said.An area of 1.83 lakh hectare has been submerged, while the crops spread over .83 lakh hectare got damaged even as the quantum of loss was under assessment.Nearly 400 houses have been damaged in the floods, while the number of damaged mud houses stood at 4,703.As many as 4,639 hutments have also been damaged in the deluge.The value of damage to houses and hutments stood at Rs. 67.91 lakh even as assessment was being made about value of damaged public properties.