498 A of the Indian Penal Code was necessitated when murdering women by their husbands and in laws/relatives demanding dowry became rampant. A separate section became necessary because the traditional provisions to deal with murders proved inadequate to punish those killing brides because of the very nature of dowry killings. It happens within the confines of a house and would not have any witnesses and evidence if any would be easily removed by the murderers. Sec. 498 A stipilates that whoever being the husband or the relative of the husband of a woman subjects such woman to "cruelty" shall be punished with imprisonment for a term which may extend to three years and shall also be liable to fine. The term Cruelty has been defined as any wilful conduct which is of a nature as is likely to drive the woman to commit suicide or to cause grave inury or danger to life, limb or health whether mental of physical of the woman or harrassment of the woman with a view to coerse her or any perso
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Adding to the answer before, a crime under section 498 A is a cognizable non-bailable offence. Thuse, if a man is booked under section 498 A of the IPC he can be arrested without a chance of bail. He can be interogated, and held in lock up. Further, the man's family also can be put behind bars.