No, group insurance doesn't allow any selection.

If you choose to take the ESC plan, you will have to cover spouses of all married employees and all dependent children.

There is also a minimum cap on the number of parents. The total number of parents should be 1.6 times the number of employees. Example - If your organization has 10 employees and you want to cover parents then we would need a minimum of 16 parents to be covered.