Demand Of Aadhar Details Of Family Members By Employer

My company is asking for Aadhar Details of my wife & children (as per the advise of the labour consultant). He is saying that this details are required as per government rules. Our's is a private limited company with manufacturing activities, situated in maharashtra. Kindly guide me whether I should share aadhar details of my family.
Regards,
V.K. Nair

for adding them as ESIC beneficiary its required,
you can ask the purpose specific way

Dear Concern,
It is mandatory in ESIC to provide the family member's aadhar card no, to give them the esic benefit.