After delivering many successful comedies like Welcome and Partner, actress Katrina Kaif is gearing up for a non-comic role in Subhash Ghai's next project titled Main Yuvraaj. According to reports, the beautiful actress is working hard for her character. So much so that she is learning to play the cello to fit the role. According to Katrina, Cello is an instrument that takes years to master. She sat with an orchestra player in Mumbai to get the body posture right.