Marriage (nikah) is considered as an act of worship (ibadah). It is virtuous to conduct it in a Mosque keeping the ceremony simple. The marriage ceremony is a social as well as a religious activity. Islam advocates simplicity in ceremonies and celebrations.
Primary Requirements
1. Mutual agreement (Ijab-O-Qubul) by the bride and the groom
2. Two adult and sane witnesses
3. Mahr (marriage-gift) to be paid by the groom to the bride either immediately (muajjal) or deferred (muakhkhar), or a combination of both