In his video remarks at the Global COVID Summit hosted by US President Joe Biden, Modi also said India is ramping up production capacity of existing vaccines and the supply chains of raw materials must be kept open so that vaccine supplies to other countries can be resumed.

"We also need to focus on addressing the pandemic’s economic effects. To that end, international travel should be made easier, through mutual recognition of vaccine certificates," Modi said.

His remarks comes on a day when the UK government issued an updated international travel advisory to include AstraZeneca Covishield among the eligible COVID-19 vaccine formulations but kept India out of the 18 countries on an approved vaccinations list, requiring Indians to follow rules set out for "non-vaccinated" travellers.

Despite the inclusion of Covishield, Indian travellers are not exempt from the quarantine rules under the UK's new international travel norms that will come into force from October 4.

On Monday, the US had announced a new international travel system under which fully vaccinated individuals would be allowed to enter the country beginning early November.

Former US president Donald Trump had imposed a blanket ban on foreign travellers from entering the US at the start of the coronavirus pandemic in early 2020. The new system adopted by the Biden administration essentially lifts the travel ban on countries like India that the US had earlier enforced.

In his remarks, Prime Minister Modi said that India is ramping up production capacity of existing vaccines.

"As newer Indian vaccines get developed, we are also ramping up production capacity of existing vaccines. As our production increases, we will be able to resume vaccine supplies to others too. For this, the supply chains of raw materials must be kept open," Modi said.

“With our Quad partners, we are leveraging India's manufacturing strengths to produce vaccines for the Indo-Pacific region,” Modi said, adding that India and South Africa have proposed a TRIPS waiver at the WTO for COVID vaccines, diagnostics and medicines.

This, he said, will enable rapid scaling up of the fight against the pandemic.

India stopped the export of COVID-19 vaccines after the second wave of the pandemic hit the country in April this year.

On Monday, India said that it will resume export of surplus COVID-19 vaccines in the fourth quarter of 2021 under the ''Vaccine Maitri'' programme and to meet its commitment to the COVAX global pool.

COVAX is a worldwide initiative aimed at equitable access to COVID-19 vaccines directed by Gavi, the Vaccine Alliance, the Coalition for Epidemic Preparedness Innovations, and the World Health Organisation (WHO).

WHO chief Tedros Adhanom Ghebreyesus hailed India’s decision to resume COVID-19 vaccine exports as an “important development” in support of the goal to reach 40 per cent vaccination in all countries by end of the year.

Informing the summit participants that India is now running the world's largest vaccination campaign, Modi said that over 200 million Indians are now fully vaccinated.

"Recently, we vaccinated about 25 million people on a single day. Our grassroots level healthcare system has delivered over 800 million vaccine doses so far,” he said, adding this has been enabled through the use of India’s innovative digital platform called CO-WIN.

“In the spirit of sharing, India has made CO-WIN and many other digital solutions available freely as open-source software,” Modi said.

Welcoming the “timely” initiative of Biden, Modi said that India has always seen humanity as one family. India's pharmaceutical industry has produced cost-effective diagnostic kits, drugs, medical devices, and PPE kits. These, he noted, are providing affordable options to many developing countries.

"We've shared medicines and medical supplies with over 150 nations. Two indigenously developed vaccines have received Emergency Use Authorisation in India including the world's first DNA-based vaccine. Several Indian companies are also involved in licensed production of various vaccines,” he added.

"Earlier this year, we shared our vaccine production with 95 other countries, and with UN peacekeepers. And, like a family, the world also stood with India when we were going through a second wave,” the prime minister said, acknowledging the help provided by the international community to India in the hour of its crisis.

"For the solidarity and support extended to India, I thank you all,” he said.