Complex sentence: In time, Dr. Manav misses his son a lot and when people and Pari misunderstand his reasons for seeing Shubham (his son), he attempts suicide and goes slightly loony.
Split into simpler sentences: In time, Dr. Manav misses his son a lot. When Pari and other people misunderstand his reasons for seeing Shubham (his son), he attempts suicide and goes slightly loony.