Athisayan (2007)

A science fiction film about a reporter and her adopted child prodigy. Maya (Kavya Madhavan) is a media reporter. She is an orphan, who has adopted a group of orphans. When she gets embroiled in a criminal case and is abducted, one of her adopted children, child prodigy Devan (Master Devadas), sets out to help her. He witnesses a scientist R C Shekhar(Jackie Shroff) use a potion to make a rabbit invisible and uses it to help Maya.

Unfortunately the movie Athisayan is not yet available on HBO Max.