patna chief minister nitish kumar on tuesday thanked prime minister narendra modi for greeting the people of the state on bihar diwas bihar ki janta ki taraf se aapko bahut bahut dhanyavad many many thanks to you on behalf of the people of bihar nitish replied to the pms tweet bihar diwas greetings to the people of bihara separate province of bihar and orissa was carved out of bengal in 1912 and the bihar government started celebrating the birth of the state on march 22 after nitish came to power in november 2005 in fact it was nitishs initiative a few years ago to celebrate the day with great festivities across the state greeting people of the state on the occasion nitish in another tweet said today bihar has emerged as the fastest growing state in the matter of growth rate in gross domestic product the number of tourists has registered 21 times increase between 2004 and 2014 bihar diwas is being celebrated at all the 38 district headquarters in the state states department of industries has organized bihar utsav at ina dilli haat from march 16 to march 30 to mark the occasion the state government has been organizing bihar utsav in delhi since 2010 showcasing the art craft culture and development of bihar the theme of bihar utsav this year is tourism tradition art and culture and ambience of bihar an industries department official said