Family members of late Dwarakanath Kotnis, including his three sisters, called on visiting Chineses President Hu Jintao here this morning.Kotnis, a Maharashtrian physician, served as a part of a medical mission on the Sino-Japan war front in 1938. He died in China in 1942.Vatsala Kotnis, Manorama Kotnis and seven other members of the Kotnis family met Jintao at the Taj Mahal Hotel here.After the meeting that lasted 30 minutes, Vatsala Kotnis (79) told reporters that the Chinese President paid rich tributes to Kotnis. "He said Kotnis will always be a bridge between China and India," she said.The family gifted a biography of Kotnis, written by his brother Mangesh Kotnis, a CD of the movie Dr Kotnis Ki Amar Kahani, and handloom bedspreads from Solapur, Kotnis' native place, to Jintao.The visiting President gifted the Kotnis family an album of rare photographs of Kotnis when he was in China.