Enumerate the provisions of Buy-back of physical shares or other specified securities as per regulation 19 of the SEBI (Buy-Back of Securities) Regulations, 2018.

Regulation 19 of the SEBI (Buy-Back of Securities) regulations, 2018 deals with Buy-back of physical shares or other specified securities A company may buy-back its shares or other specified securities in physical form through open market method as provided hereunder: a separate window shall be created by the stock exchange, which shall remain open during the buyback period, for buy-back of shares or other specified securities in physical form. the company shall buy-back shares or other specified securities from eligible shareholders holding physical shares through the separate windows specified in clause (a), only after verification of the identity proof and address proof by the broker. the price at which the shares or other specified securities are bought back shall be the volume weighted average price of the shares or other specified securities bought-back, other than in the physical form, during the calendar week in which such shares or other specified securities were received by the broker: Provided that the price of shares or other specified securities tendered during the first calendar week of the buyback shall be the volume weighted average market price of the shares or other specified securities of the company during the preceding calendar week. Explanation: In case no shares or other specified securities were bought back in the normal market during calendar week, the preceding week when the company has last bought back the shares or other specified securities may be considered.