(i)Dematerialization is the process by which physical share certificates of an investor are taken back by the company/registrar destroyed.
(ii)Dematerialization is done at the request of the investor. Investors will first have to open an account with a DP (Depository Participant) and then request for dematerialization of certificates through the DP.
(iii)Purchases made by an investor are credited to his account and sales are debited. All the holdings of a particular security will be identical and interchangeable.
(iv)Trading in dematerialized shares commenced on the NSE in December, 1996, where Reliance Industries was the first company to trade its 100 shares in demat form.

(i) We need to submit proof of identity and address along with a passport size photograph and the account opening form. Only photocopies ofthe documents are required for submission, and originals are also required for verification.
(ii) The Proof of identity may be, PAN card, voter's ID, passport, driver's license, bank attestation, IT returns, electricity bill, telephone bill, ID cards with applicant's photo issued by the central or state government and its departments, etc.
(iii) The Proof of address may be Ration card, passport, Voter's ID card, bank passbook or bank statement, verified copies of electricity bills, residence telephone bills, lease and license agreement or agreement for sale, etc.

(i) For effective regulation of stock exchange, the Ministry of Finance issued a Notification on 13 September, 1994 delegating several of its powers under the Securities Contract (Regulations) Act to SEBI.
(ii) SEBI is also empowered by the Finance Ministry to nominate three members on the Governing Body of every stock exchange.

Insider trading means the buying and selling of securities by directors Promoters, etc. Who have access to some confidential information about the company and who wish to take advantage of the confidential information.

Organization Structure of SEBI