How do I update my mobile number and e-mail ID in my Demat Account? Can someone else operate my account on my behalf on the basis of a power of attorney? What is Dematerialisation of Securities (Demat)? and how does it work? Can I dematerialise all my depository eligible securities through the same account? Can I dematerialise shares, which are pledged with a bank, which is a DP as well? Can odd lot shares be dematerialised? How do I demat shares with Pre-Marital / Maiden names? Can I deliver dematerialised securities against an obligation in physical segment, in all stock exchanges? Is the facility of delivering dematerialised securities in the physical segments of the stock exchanges, available only for those securities that are to be compulsorily sold in the demat segment? What is PLEDGE? How does it work? What is Rematerialisation? How does it work? How does Purchase / Receipt of Securities work? Can I buy & sell shares through ICICI Bank Demat? What is the procedure for Change in Signature for Demat account How to make nomination in Demat account How to registration for Internet/Phone Access & e-instructions? What is Mobile Banking? How can I link my demat account? What is transmission of securities? How to Close your Demat Account How do I change my Address and Bank account details for demat? What is Freezing /Defreezing of Demat Account? and how does it work? How does Sale / Delivery of Securities work? What is Depository? How to Open a Demat Account? Can I open more than one account with ICICI Bank Demat? Do I have to keep any minimum balance of securities in my account? Why are the demerger shares not reflecting under my Demat Holdings on the ICICI Direct App and Website? Why have I not received split or bonus shares in my Portfolio? Why can I view the shares in my portfolio but not in my Demat account? What is the process for transferring unlisted shares to an ICICI Bank Demat account? How can I check the status of a demat transfer?