Legal custody & maintenance for grandchildren.

Namskar sir/mam, My grand daughter(13 y) & grandson(8y) encountered this tragedy of loosing their mother in Aug2018.Police has lodged a criminal case against their father n dada under sc IPC 306, 34 & 498a. Meanwhile due to their cunning gimmicks to impact statements of my grand daughter, we planned to move to Bal Kalyan Samiti for legal support and hence directed to opt for legal custody case which is under process . Next we want to look ahead for compensation under CrPC 125 for kids. 1) Plz let me know how much amount honorable court order the other party to be paid to kids. 2) In what ratio or percent these kida can claim their legal birth right over their ancestral property ? 3) what if father dissolves all his property & deprive kids of their rights.??? Sir plz guide me as I am 61 yrs old middle class man retiring in July19. I have already been in a lot pain throughout this tiresome process of police( which delayed d case as opponent r influential n effluent people). ? God bless u all...Aa u guys r helping lot many people like me. - Gautam, Jabalpur (M.P.)