Wait a second!
His dad isn't dead?
I haven't carefully watched the first 15 episodes or so, I don't know the story that has been told about Ahaan's parents.
Dadi told them he is dead and mum ran away with another man. With Dadi, one never knows she could be lying about their dad. This is all based on assumptions the way Dadi has told the story of their mum but she is alive.
