Pakistani singer Abrar ul Haq has accused filmmaker Karan Johar, and his production house Dharma Productions for stealing his music. In a tweet, Abrar said that in Karan's upcoming film Jugjugg Jeeyo, he copied his song Nach Panjaban. Abrar's tweet reads, “I have not sold my song ‘Nach Punjaban’ to any Indian movie and reserve the rights to go to …