In absence of response/ complaint not addressed to your satisfaction, you may lodge a complaint with exchange NSE at https://investorhelpline.nseindia.com/NICEPLUS/ ,NSDL at https://www.epass.nsdl.com/complaints/websitecomplaints.aspx, CDSL at https://www.cdslindia.com/Footer/grievances.aspx or SEBI at https://scores.gov.in/scores/Welcome.html . Please quote your Complaint Ref No. while raising your complaint at Exchange/Depository/ SEBI SCORES portal.