 On 10 April 2013 , the state government announced in the Assembly that Thanjavur municipality will be upgraded to a Municipal corporation . Thanjavur City Corporation is likely to have an area of 110 @.@ 27 km2 ( 42 @.@ 58 sq mi ) of area , with a population of 3 @,@ 20 @,@ 828 and an income of ₹ 411 @.@ 8 million ( US $ 6 @.@ 1 million ) . The villages <unk> , <unk> , <unk> , <unk> , <unk> , Ramanathapuram , <unk> , Vilar and <unk> are likely to be added to the municipal corporation limits . Thanjavur became City Corporation on February 19 , 2014 . 
