Chennai (Tamil Nadu) [India], August 18 (ANI): Tamil Nadu Chief Minister MK Stalin on Sunday said that despite being from different political backgrounds, Rajnath Singh was his first choice to release the commemorative 100-rupee coin to mark the birth anniversary of former Tamil Nadu CM M Karunanidhi. He also expressed his gratitude to Defence Minister Rajnath Singh for gracing the occasion. Tamil Nadu CM MK Stalin said, “A 100-rupee Commemorative coin has been released for Centenary leader Kalaingar. I also thank PM Modi for his support, thanking Rajnath Singh for gracing this occasion. Rajna…