Dear Madhura,
After full computerization of the scheme, the Insured Person can add their family members by submitting the required application at the branch office. The IP has to attend the Branch Office along with the pending family members, where ESIC will capture the particulars and fingerprints of such additional family members.
Before computerization, if you want to add your family members, you can include them in the manual card, which will facilitate medical care for the IPs family members.
For further guidance, please approach the nearest ESI Branch Office.