Career
He started his career with the Bollywood movie Ek Duje Ke Liye. He is popular for his villainous roles in Nepali movies. Thapa started his modelling career in 1974 in Bombay, with Binny"s and Mafatlal Fabrics.
During his early days, he was also engaged in sports and was a professional football player for International Computers Limited Club Bombay and Orkay"s Sports Club.