Question: what are the essentials of valid muslim marriage?
Answer: Proposal and Acceptance.
Competency of Parties. Major. Soundness of Mind. Muslim.
Free Consent.
Dower.
Free From Legal Disability. Absolute Prohibition. Consanguinity. Affinity. Fosterage. Relative Prohibition. Unlawful Conjunction. Polygamy. Absence of Proper Witness. Difference of religion. Marriage during Iddat. ... 
Registration.