The 2nd International Karate Championship being organized by the Shotokan Karate-Do Sports Association of India started at the Atal Bihari Vajpayee indoor stadium in Udaipur, Rajasthan, on Thursday. Besides All India Karate Federation general secretary Ambedkar Gupta, the opening ceremony was attended by karateka and former AAPSU president Takam Tatung, along with MO Dr Tassar Tania from Arunachal.