The exception of 'Infancy' (act of a child under seven years of age) is provided under which section of the Indian Penal Code?

Under which section was the definition of 'electronic record' inserted into the Indian Penal Code, 1860 by the Information Technology Act, 2000?

Under which section of the Indian Penal Code (IPC) is cruelty or domestic violence against a married woman by her husband or relatives made a punishable offence?