Legal age by which fetus is capable of independent existence is -

Ref:Textbook of forensic medicine and toxicology (V.V.Pillay) 17th edition, page no.378 Viability of the Infant: Viability means the physical ability of a foetus to lead separate existence after bih apa from its mother, by viue of a ceain degree of development. A child is ble after 210 days of intrauterine life,and in some cases after 180 days.