A call for help : Health Crisis

24 m kolkata here , sorry for posting in this subreddit . But right now am facing a severe health crisis . Basically my father is diagnosed with " Stage 3 Colon Cancer " we were taking all our consultataions and medication here in Kolkata but on 17th we got to know about the severity level of cancer and our doctor immediately recommended him to Tata Medical Hospital , Parel , Mumbai . So we managed flights for him and today in morning around 8 Am he was there and doctor wrote some tests and stuffs . Basically I don't need any monetary help I just need help regarding information , like how can I Fastrack my operation and stuffs , any links or any person related to hospital for communication , any dos or don'ts about Mumbai and travelling , any dos and donts regarding insurance claim and stuffs . I will be highly delighted I just need information nothing more . So please if anyone wanna suggest anything or any advice please do tell me . Cause I want to win this battle and make my father well . Btw I do have family here so I am staying at their home , but still I need to have all possible information .