Why I am unable to buy SGB in Zerodha

Thank you @VenuMadhav This is great. One question I had about the CDSL vs NDSL fundamentals. I believe Zerodha has our accounts in CDSL. If I buy a SGB which gets transferred to NDSL account; how will it get reflected to my account. Are you going to transfer it to my CDSL or keep it in a ‘client pool’ account. I apologize if my questions sound amateurish but this is an issue which I faced in Upstox and would like to know how Zerodha behaves here…