Should EPF and ESI Start from Day One of Probation or Only After Permanent Appointment?

As a Private Limited Company, I issue an appointment letter to new employees upon joining, with a condition of a probation period of 3 months. After completing the probation period, the employee will be appointed permanently.

The question is, should EPF & ESI be applicable from the first day of the probation period or after being appointed permanently?

You have to deduct the ESI and PF contributions from the date of joining.

Regards,
Alphonse

The replies are not clear whether they mean the first day of appointment:

1. On probation or

2. As permanent.