India, March 20 -- On World Down Syndrome Day, filmmaker Hansal Mehta talks about his 28-year-old son Pallava and shares, "When Pallava was born, even we knew very little about Down Syndrome. It was termed as a mental disability back then. Initially, it was difficult because there was not enough information, we were just gathering it from the pediatrician. He had to go through a surgical procedure within 24 hours of birth," adding, "The first few days were slightly difficult, we were just mentally coping with the prospect of a child who is not deemed normal. But then, when I was with him in the hospital after the surgery, he was in an incubator, the way he pulled through with a smile on his face, you realise he is a fighter. That smile ha...