Covid vaccine certificate: There is a different system in the states on the certificate of vaccine, the Center informed the Supreme Court

The Central Government has told the Supreme Court that vaccine certificate is not mandatory for any work in the country. However, the states have made rules in this regard at their own level.
A look at the system of states regarding vaccine certificate and covid negative report
Delhi: At least one dose of vaccine is mandatory for staff in government offices and educational institutions in the capital Delhi. There is no requirement of vaccine for those traveling to and from other states.
Rajasthan: Vaccine is mandatory for staff in government offices in Rajasthan. Private offices have also been asked to do the same. Vaccination has also been made mandatory for those coming from other states.
Chhattisgarh: Negative report of RTPCR test within 72 hours is mandatory for those coming from outside the state. The same rule holds for people who have been vaccinated. There is no vaccination requirement for staff in offices.
Jharkhand: At least one vaccine is mandatory for staff in government offices. Both the vaccines are mandatory for the teachers in the school. RTPCR test is done for those coming from other states.
J&K: Negative test report is mandatory for those coming from outside. If there is no report, investigation is done. Both doses are mandatory in government offices.
Haryana, Bihar: Both doses are mandatory in government offices. Those who have administered one dose, they will have to tell what is the timing of the second dose. Certificates of both doses of the vaccine may have to be shown on demand from the authorities at markets, bus stands and railway stations.
Bengal: RTPCR test not mandatory for those coming by train. RTPCR test is mandatory at the airport and at the inter-state border for those coming by road. Almost all government employees have been vaccinated.
Madhya Pradesh: Vaccine is not mandatory for any commuter in Madhya Pradesh. The Collector of the border district of Burhanpur has made RTPCR test report mandatory for those coming from Maharashtra.
Uttar Pradesh, Uttarakhand, Punjab: There is no vaccine requirement.