Can I also include my parents and parent- in-laws in this policy

Yes, you can include your parents and parent- in-laws in the same Policy on an Individual Sum Insured basis and in a separate Policy on floater Sum Insured basis.

Can I also include my parents and parent- in-laws in this policy

Yes, you can include your parents and parent- in-laws in the same Policy on an Individual Sum Insured basis and in a separate Policy on floater Sum Insured basis.