Yes both online and offline marriage registration is possible in India. You can submit them online by contacting Vakilsearch. When compared to the offline process the online marriage registration is very simple. You can log in to the state's official website if the bride and groom have lived there for more than six months or if the marriage was performed there.
The conditions for registration under the Hindu Marriage Act of 1955 are as follows: You can apply for marriage in any sub-divisional magistrate's office; you can start the offline application procedure there and you can finish the registration process online as well.