Rights of child born by affair involving a married man and a married woman

If Anil is married to Anita and they have girl child Ananya 12 years ago . Madhu (who is married to Suresh) knows that Anil is married to Akshaya tried to lure Anil and got pregnant . Bhavesh is the boy child born out of affair of Anil and Madhu 8 years ago. Anil left his wife Anita and child Ananya (without divorce) and married Madhu and started living as a family for 6 years by bringing first son of Madhu who was born by Husband of Madhu(Santosh). Now Anil Madhu Santosh Bhavesh lived as a family for 6 years. After that Anil left Madhu saying that Madhu is a bitch and went back to wife Ankita. Now Anil Ankita Ananya are living as family since 2 years. 1) Madhu didnot take divorce from Suresh. 2) Madhu has a son Santosh born with Suresh and another son Bhavesh born with Anil 3) Madhu married Uma ( divorced ma who was having a minor son Krishna) without concluding relationship with Suresh and Anil. 4) Uma died leaving property to Madhu My doubts are : 1. What are the rights of children Santosh and Bhavesh from Anil? 2. Can Madhu seek maintenance from Anil? 3. What are the rights of Suresh over Santosh and Bhavesh. 4. What are the rights of Santosh, Bhavesh and Krishna over the property of Uma Who are legal heirs of Anil, Suresh and Uma