Rajnikanth, who crooned a song for his latest film ‘Kochadiayaan’ recently, also sang for the Hindi version. It’s learnt that A R Rahman insisted on Rajni’s singing the Hindi song also. The song was recorded recently at AR Rahman Studios in Chennai. As per the Chennai sources, Rajni had put in lot of efforts to pronounce the Urdu words perfectly. After the completion of song recording Rajni took a short break and joined the film shooting in Chennai. ‘Kochadiayaan’, which is being made in Tamil, Hindi and Telugu simultaneously, is taking shape under Soundarya Rajnikanth’s direction. Deepika Padukone is the leading lady. The film is expected to hit theaters worldwide in September.