Taarak Mehta Ka Ooltah Chashmah is an Indian sitcom produced by Neela Tele Films Private Limited. The show went on-air on 28 July 2008 and airs from Monday to Friday at 8: 30 pm and repeat telecast at 11: 00 pm and next day at 3: 00 pm onSAB TV. The show started its re-run on Sony Palfrom 2 November 2015 at 1: 00 pm and 8: 00 pm everyday. The show is based on the column Duniya Ne Oondha Chashma written by columnist and journalist Taarak Mehta for the Gujarati weekly magazine Chitralekha. The show was declared byLimca Book of Records as the longest running comedy show after completing the 1700th episode on 22 June 2015. On 2 October 2014, Prime Minister of India, Narendra Modi invited the entire team of the show to take part in the Swacch Bharat Abhiyaan