Vashu Bhagnani filed a lawsuit over intellectual property linked to Hai Jawani Toh Ishq Hona Hai The lawsuit alleges unauthorized use of songs from the film Biwi No.1 produced by Vashu Bhagnani Makers of Hai Jawani Toh Ishq Hona Hai claim lawful ownership of the songs Chunari Chunari and Ishq Sona Hai