Hrithik Roshan plans big bash for sister

Celebrations are already on to bring in Hrithik’s sister, Sunaina’s 40th birthday on January 22, 2012. We hear doting dad Rakesh Roshan has just gifted his daughter a high-end sedan, which she adores. And, Hrithik and Suzzane Roshan have planned a surprise birthday bash for the lady. Said our source, “Both father and son have decided to make Sunaina’s birthday special. To top it all, Sunaina herself is busy with the production of their film Krrish 3.”