How to open a DEMAT account if client have already trading or commodity account?

How to open a DEMAT account if client have already trading or commodity account?

In case client already having only trading or commodity account, he need to submit duly filled and signed  account opening form (AOF) along with all supporting documents [client's self attested with RM IVP (in person verification) stamped] wherein he need to mention login id on AOF at specified places.
AOF needs to be sent to below mentioned address:-

Activation Team
IIFL House, Sun InfoTech Park,
Road No. 16V, Plot No. B-23,
MIDC, Thane Industrial Area,
Wagle Estate,
Thane - 400604.