'Consent' is an expression of one's 'willingness' voluntarily to the proposal made by other person. It has a significant role in many transactions in everyday life pertaining to civil, criminal cases, contracts, personal law matters (adoption, marriage and divorce) etc. It is a powerful tool in the hands of Defendant/Accused to protect himself from civil and criminal liabilities. It transforms a lawful act into an unlawful act and vice versa.