It is an Act performed to purify sins. Human Beings commit many kinds of mistakes knowingly and unknowingly in the past which leads to many problems for themselves and others. This guilt consciousness is important to learn lessons from the past and prompts them not to repeat the same in future. This guilt consciousness sometimes leaves a deep impact and blocks further emotional, mental, physical and spiritual growth of man. In order to get rid of the same, begin new ventures or to conduct karmas like shraddham, one has perform Sankalp, prayashchit. This karma gives qualification to conduct other karmas like Śrāddham etc.