Jsw Steel — Share Certificates conversion to DEMAT holding

Address:

Jindal Mansion, %A, Dr. G. Deshmukh Marg, Mumbai.

I have 200 shares of JVSL of 100 shares each. Now I want to be transferred to DEMAT account.
The details of share are :
1. Certificate No-5355871, Reg Folio No-JVS0567125,
Distinctive No- [protected]-[protected],
Name of Holders: KULENDRA KUMAR MOHAN KUMAR, CHANDRALEKHA
. Certificate No-5355870, Reg Folio No-JVS0567125,
Distinctive No- [protected]-[protected],
Name of Holders: KULENDRA KUMAR MOHAN KUMAR, CHANDRALEKHA
Also there is second certificate which has 4 shares of JSW Steel the details of which are mentioned below:
Folio No-JSW0285387, Certificate No-285385,
Distinctive Nos-[protected]-[protected]
Name of Holder: KULENDRA KUMAR MOHAN KUMAR
Kindly tell me the procedure to convert these certificates to DEMAT account. Whom should I contact.
My Contact details are:
Mob no[protected]