Sampriti with her father Bidyut Roy

Biswajit Dadwal is grieving his 11-year-old son, who he lost to leukaemia last December. But that hasn't stopped him from extending help to other parents in need of money for their children's treatment — having raised Rs 5.5 lakh for Haardik Dadwal's treatment, the heart-broken father has been donating the money to families struggling to raise funds for their ailing kids.