Regarding divorce from lok adalat

The fact involved in Cheating is as to whether she or her family informed of her earlier marriage to you before the marriage or not.  The happenings whether legal or not is not relevant to your present issue.  Whether she has informed about such disclosure of your knowledge on her previous marriage to Police or not.  Trust your advocate , and any further guidance  through open forum without knowing facts may strain the relations between you and your advocate.

Lok Adalat, if that was on fixed date in the Family Court or Competent Court that had jurisdiction to decide the divorce petition on otherwise regular hearing basis, than that order for the allowing divorce will be for all purpose valid. Check the details about the Lok Adalat from the history dates of the district court for confirmation about the validity of divorce order.

One can obtain the certified copy by directly seeking the same by Regd post or under RTI. 

In a case before Family Court, it shall not be sent to Lok Adalat for a decision.

Check your statement from your lawyer or some other local prudent lawyer.

Yes family maters cannot be decided by lok adalat. Appoint advocate consult with him and ask to get order copy.