Can I file a FIR against my husband who now wants to gets married to someone else?
Marriage in the Hindu religion is a sacred tie performed by certain ceremonies and rites which are necessary for a valid marriage.
According to Section 7 of the Hindu Marriage Act, there are three important stages wherein certain ceremonies are to be performed., as following :-
1) Sagai - Hindu engagement is an important pre-wedding ritual in Indian culture, it is a type of culture in which the bride and groom come face to face and are engaged with a religious bond by each other’s families.
2) Kanyadan - It is an emotional and sentimental laden ritual which recognizes the sacrifice a father makes in order to ensure her daughter’s happines, and it is an integral part of traditional Hindu marriage.
3) Saptapadi - It is an activity which is undertaken by the bride and groom in front of the fire god, where couples go around the sacred fire seven times while reciting certain vows.
Section 7 of the Hindu marriage act 1955 states the solemnization of the Hindu marriage, a Hindu marriage may be performed by all the ceremonies and rituals of both the party or either anyone.
It is concerned with the Saptapadi which means that taking seven rounds around the fire with their partner; after its completion, marriage becomes complete.
The marriage renders to be valid if it is performed between Hindu couples according to the customary ceremony and rituals of each party or any one of them.
There are many rituals which you did not perform and hence the validity of your marriage is questionable.
The pandit who solemnized your marriage in the temple can act as a proof for your marriage if you do no have any pictures, but since you two were not even living together after marriage and were meeting like boyfriend girlfriend only, your marriage's validity is questionable and you should mention him as boyfriend only in the FIR.
Reference Laws: Hindu Marriage Act