Who was Tushar co actor in the movie Kya Kool Hain Hum?

There seems to be a misunderstanding. "Kya Kool Hain Hum" is a movie that features Tusshar Kapoor, but it doesn't feature a co-actor named "Tushar".

The main co-star of Tusshar Kapoor in "Kya Kool Hain Hum" is Riteish Deshmukh.

The movie also features other actors like Neha Sharma, Isha Sharvani, and Rajpal Yadav.