Career
She made her acting debut in the 2011 horror film 404. In April 2012, during the filming of Heroine, Thapa was kidnapped by another actor who had a minor role in the film, Amit Jaiswal, and his girlfriend, Preeti Surin, who had overheard her talking of her family"s wealth. She was held for a ransom of ₹1.5 million (approximately United States$29,000).
They told her mother that, if the ransom was not paid, she would be forced into pornographic films.
Her mother paid ₹60,000 rupees. She was later strangled and decapitated in a hotel in Gorakhpur.
Her torso was left in a water tank and her head thrown out of a bus on the way to Mumbai. The perpetrators were caught with the SIM card from her mobile phone and confessed to the crime.