Yash raj films is founded by yash chopra in 1970.this production house first film was daag-A poem of love story.it has also produced many films like darr, chak de india, dewar, jab tak hsin jasn etc.in a recent surveys, it has been ranked 72th world wide for biggest production house.now each year, yash raj films produced minimum 3 movies per year and recently they are making 2 tamil movies.it is india largest production house.