Automatic debit of share from cdsl

I have sold itm call of a rblbank. i have 2900 share. do i need to do cdsl authorization on expiry day

Yes, you will have to authorize the sale of shares on expiry day.

how to authorize transaction.

First you need to have shares in demat to authorize it.

You don’t hold any shares to authorize. You can check out this support article to know how the process works.

Pledged holdings doesn’t show up in Kite Holdings tab brother. They are shown only on Console.

Yes it will shown in console only.

If u square off ur sold call option before expiry you need not give delivery. Otherwise you need to authorize in cdsl and give delivery on expiry day.

If sold call option expires as OTM no action needed you will retain premium