New Delhi: Amid the talks of ' mahagathbandhan' in Bihar on Saturday the Bihar Chief Minister Nitish Kumar met Congress vice-president Rahul Gandhi at the latter's residence The meeting has taken place at a time when tension is brewing within the grand alliance in the state after corruption charges were filed against Rashtriya Janata Dal (RJD) supremo Lalu Prasad Yadav and his family members, including Bihar Deputy Chief Minister Tejashwi Yadav. Nitish Kumar has extended his support to National Democratic Alliance's (NDA) Presidential candidate and now elect Ram Nath Kovind. Also Read: Sonia Gandhi constitutes new team following Ambika Soni's resignation from Cong. Posts Singapore's Deputy Prime Minister Tharman Shanmugaratnam calls on Prime Minister Narendra Modi PM Modi holds farewell dinner for President Pranab Mukherjee