Court marriage

1. A court marriage is legal.
2. Its done in presence of witnesses.
3. Normally there should be a 30 day notice period.
4. You can submit an a petition in the district court for restitution of conjugal rights for unjustified withdrawal from his duties.
5. If he says he was forced, then he has to prove it in court.

You have done acourt marriage besides a Nikah was conducted, hence this is a substntial evidence to establish your marriage with him.

You can file a RCR petition before court for restitution of conjugal rights 

If he is not responding then you can give a complaint before police for the acts of cheating and breach of trust too