as per official website of 9x naina's bro Tushar is still 2 enter in serial. He'll b +ve. Proof-
MAAN FAMILY
DINESH : Hilarious, outgoing, brings life to anything, fun loving, loves and respects his wife very much.
DEVI (DINESH'S WIFE) : Very scheming and calculating. Business oriented, she looks after her husband's business and evaluates everything with a business mind.
NAINA (DINESH'S DAUGHTER) : Selfish spoilt and knows how to get her way around. Is in love Rahul. For her getting married to Rahul is like winning a trophy.
TUSHAR (DINESH'S SON) : A very positive person. Can't harm anyone even in thoughts.
MANASHA (DINESH'S YOUNGEST DAUGHTER) : Very conniving and manipulative. She thinks her sister Naina is always right and she supports Naina completely.