SEBI vide its press release dated March 27, 2019 has provided clarification on transfer of securities held in physical mode

Mar 29, 2019 | Updates

The investors have the option of holding shares in physical form even after April 01, 2019 and for further transfer of shares are required to be held in dematerialized form only. Also, transfer deed once lodged prior to March 31, 2019 and returned due to any deficiency in any document may be re-lodged for transfer even after the aforesaid date.

https://www.sebi.gov.in/media/press-releases/mar-2019/transfer-of-securities-held-in-physical-mode-clarification_42503.html