Divorce Decree validity in India

1) A couple married in India under christian marriage act(10 years ago) 2) Couple moved to abroad permanently (only coming for holidays to India) 3) Both (couple) acquired foreign citizenship (Currently OCI holders) 4) Female spouse applied for Divorce in Foreign country where citizenship acquired 5) Female spouse became applicant and submitted documents related to divorce initially 6) Male spouse, being a respondent (upon receiving notice)submitted his related docs and consented 7) Both attended court hearing 8) Divorce granted (mutual consent) -------------------------------------------------- Rules in that foreign country for divorce : ----------------------------------------------- a) Mandatory 2 years separation b) Both Submit docs to courts c) Both must attend courts, d) At-least one must be resident or citizen of that foreign country In this case, 1) Is it valid and conclusive in India? 2) Do they need separate validation (foreign divorce decree) in India ?