Please help regarding share holders meeting

Dear All,

We are recently incorporated Private Limited Company and want to know the few things:-

1. Does share holders need to be present in the Board of Directors Meeting or not..? 

2. Now the MOA and AOA format has been changed as per Companies Act, 2013. Will the earlier MOA and AOA will remain the same or we need to update?

3. Please share the Board of Directors meeting format.

Really appreciate the forum for sharing information..

Thanks 

Hemant Agarwal