HE CAN HAVE HIS GRANDSON AND AARTI BOTH BACK FOR GOOD IN THEIR LIVES. HE WILL ALSO BE ABLE TO FULFILL HIS SON PRASHANT'S WISH TO HAVE THEM BACK.
HIS MOTIVES ARE HIS SON'S LAST WISH BEFORE HIS DEATH WHICH IS GETTING AARTI AND ANSH BACK IN THEIR LONELY LIVES FOR GOOD. HE LOVED HIS SON VERY MUCH IN SPITE OF PRASHANT BEING A ROTTEN APPLE.