Since it inherits highly from India’s Contract Law, Bangladesh’s Contract Law has some unique provisions in terms of validity, especially on the effects of offer and acceptance, validity of contracts entered by under-aged minors, which are significantly different from those of civil law system and common law system. In addition, Bangladesh Contract Law also sets a specific sub-chapter on the topic of contingence and void contract. Although the foundation is similar to China persisting in free will principle, the format and materials of contingence and the elements of invalidity are quite different