Inter-Caste Marriage with Hidden Heir: A Tricky Puzzle

Yeh kya hoga agar koi ladki ek low caste se ho, phir uski shaadi ek high caste guy se ho, lekin uski maa uska hidden heir hai ek andar? Uske biological father ko nahi pata hota hai ki vah apni bahu ke bachche ka biological baap hai. Aage woh ladka bhi jaanti hai ki vah apni bahu se apna bachcha hai lekin uske biological parents ko nahi. Kya is case mein ladka apne biological father ka haqdaar ho sakta hai? Family Law ke under kya legal outcome hoga? Khul ke batao, kya unhen haqdaari ka haq mil sakte hai?