case filled under ipc 302 & 34 in false Dying declaration

Dear Sir, Myself ..this matter is related to my brother in law's family, Actually my brother in law's​ wife done sucide & in dying declaration she has taken the names of all family members, including my wife also though she was not present at that place, police filed fir & my brother in law, his elder brother & father were arrested & given magistrate custody ssince from 7 months, my mother in law & sister in law were absconded n chargesheet has been filled by police. Only my wife got the bail in high court-as her presence was not seen & she has baby on Brest feeding. In this matter their whole family get in stuck.. 3 male members, tow brother in law & father in law (62 age) are in the jail..2 ladies my mother in law & sister in law are under 299.. Sessions court rejected bail & high court is not giving the bail so we withdraw the application. In chargesheet only husband role is there. Now in this matter what to do please guide us. Almost 7 months they are in jail