Travellers vaccinated in over 100 countries and territories, including India, will also be treated the same as returning fully vaccinated UK residents, the government said.
The project titled MeHELP (Mental Health Literacy Project) has now come to a closure and is all set for the final dissemination conference to be held as a virtual meet from October 20 to 27.
According to the travel rules from February 17, airlines need to ensure negative RT-PCR before allowing passengers to board in case of those coming from the UK.
The UK announced that Indians, fully vaccinated with Covishield vaccine, will no longer require to undergo quarantine on their arrival in Britain from October 11.
The UK recently refused to recognise India's COVID-19 vaccination certificates and imposed a 10-day hard quarantine on travellers from the country even if they were fully vaccinated.
For travellers from other countries, a 14-day self-observation period is mandated even if their RT-PCR tests yield a negative result.
All British nationals arriving in India from the UK, irrespective of their vaccination status, will also have to undertake the pre-departure COVID-19 RT-PRC test within 72 hours before travel.
The updated advisory means that Indians fully vaccinated with Covishield will no longer be required to undergo compulsory 10-day self-isolation at home or declared location on entry to England.
From October 4, the current traffic light system of red, amber and green countries based on levels of COVID-19 risk will be scrapped and replaced with one red list only.
Britain last faced major attacks in 2017, when a bomber struck a concert in Manchester and knife-wielding men attacked two bridges in London.