Serum Institute of India (SII) and Bharat Biotech have also stopped producing the Covishield and Covaxin vaccines respectively.
The PM's visit would signal a strong intent towards making sure India becomes a beneficiary as vaccines become a massively traded commodity in the coming years.
The expert committee sought more information from Serum Institute regarding the Oxford-AstraZeneca vaccine.
Tope also informed that the Centre has asked the state to reduce the number of inoculation centers from 511 to 350, saying the government should focus on other emergencies also.
Karnataka Chief Minister Siddaramaiah alleged that the rushed approval and distribution of the COVID-19 vaccine may be a contributing factor to cardiac arrest deaths, citing several international studies that recently suggested a possible link between the vaccines and a rise in heart attacks.
Modi on Saturday will embark on a three-city tour to take stock of the COVID-19 vaccine development work.
A source closely involved in logistical arrangements said the movement of vaccine doses is likely to start from early Tuesday morning through road and air routes amid elaborate police security.
Ahmedabad was the first stop in the PM's three city tour today, to personally review the vaccine development and manufacturing process in the country.
Microsoft Chairman and CEO Satya Nadella along with Alphabet Inc and its subsidiary Google CEO Sundararajan Pichai are also among those from trade and industry who have been awarded the Padma Bhushan for their distinguished services.
Apart from the 1.1 crore doses of Covishield being procured from the Serum Institute of India, 55 lakh doses of indigenously developed Covaxin were being obtained from Bharat Biotech, Union Health Secretary Rajesh Bhushan said at a press conference.
The Centre on Wednesday placed a second purchase order with the Serum Institute of India for the supply of one crore doses of Oxford-AstraZeneca COVID-19 vaccine 'Covishield', each costing Rs 210, including GST, sources said.
In a recent letter to Union Home Minister Amit Shah, SII said its employees have been working round the clock in spite of various challenges because of the pandemic.
Once the UK drug regulator gives its approval to the Oxford vaccine, the expert committee on COVID-19 at the Central Drugs Standard Control Organisation (CDSCO) will hold its meeting and thoroughly review the safety and immunogenicity data from the clinical evaluations conducted abroad and in India before granting any emergency authorisation for the vaccine here, official sources said.
In a series of tweets after the Drugs Controller General of India (DCGI) approved Oxford's vaccine Covishield and Bharat Biotech's Covaxin for restricted emergency use, Modi said it will make every Indian proud that both the vaccines are made in India.
The development comes after Prakash Kumar Singh, the Director, Government and Regulatory Affairs at SII, informed the Union health ministry that the firm would be able to supply 20.29 crore doses of Covishied in the month of September.
According to the purchase order placed on Monday, each dose of the vaccine has been priced at Rs 200 and with GST of Rs 10, it would cost Rs 210.
Under the conditions, the firms shall submit data of ongoing clinical trials and the vaccines to be supplied for programmatic setting.Adverse event following immunisation will continue to be monitored.
Apollo Hospitals and Fortis Healthcare are open to importing vaccines.
'I would go for Bharat Biotech's Covaxin and not Covishield, and that is my personal judgment since at least 11,500 have got at least one dose by now and it has proven to be safe.'
The primary objective was to get the adult vaccine as children rarely have a severe form of the disease. Once schools reopen, the demand for vaccines for children under 12 may soar.
SII's CEO Adar Poonawalla took to Twitter to announce the "philanthropic" gesture.
The Serum Institute of India has informed the Centre that it will be able to supply around 22 crore doses of Covishield in October as the Union government has announced resuming export of surplus Covid vaccines in the coming fourth quarter under the 'Vaccine Maitri' programme, official sources said.
While Bharat Biotech's Covaxin is in trials among children already, Serum Institute of India will begin Novavax vaccine trials on children from July, whereas the Pfizer vaccine has been approved for adolescents in the United States; and Cadila Healthcare's ZyCoV-D has done trials on 12 year-olds and above already, reports Sohini Das.
A technical advisory group of the UN health agency which met on Tuesday has sought "additional clarifications" from Bharat Biotech for Covaxin to conduct a final "risk-benefit assessment" for Emergency Use Listing of the vaccine.
This will be Modi's first interaction with chief ministers following the recent approval of two coronavirus vaccines for restricted emergency use by India's drug regulator.
Ahmedabad-based Zydus Cadila, Bharat Biotech's intra-nasal candidate are among the candidates who got approval from the expert panel to conduct clinical trials, Sohini Das reports.
Paul noted that "three to four months from now, there will be other vaccines and the stockpile will be even bigger. "And more acceleration can be brought about in the vaccination programme," Paul added.
Bharat Biotech, Serum Institute, Zydus Cadila, Panacea Biotec, Indian Immunologicals, Mynvax and Biological E are among the domestic pharma firms working on the coronavirus vaccines in India.
The Drugs Controller General of India will take a final call on the recommendation. If approved, it will be the third COVID-19 vaccine to be available in India.
The Indian government and private firms have stepped up efforts to develop a vaccine to halt the spread of COVID-19 which has claimed over 3,700 lives with more than 1,25,000 cases in the country.
Gates, who is to attend the World Economic Forum's Annual Meeting, on Monday said there is reason to be optimistic than ever about the future progress using vaccines to give all children a healthy start to life.
Sources close to the development said the company had no further supply commitments to the WHO, and therefore, there was no suspension of any upcoming orders, reports Sohini Das.
A massive pan-India inoculation drive against COVID-19 was set in process on Tuesday with more than 56 lakh doses of the Covishield vaccine flown to 13 cities across India from Pune and taken to designated national and state-level stores amid tight security.
As India holds its breath for the Covid vaccination to be begin, Sudhir Bisht provides a quick checklist of what you must know about the vaccines that will be administered to citizens.
A technical advisory group of the World Health Organisation was on Tuesday reviewing data on Covaxin for the emergency use listing of India's indigenously-made vaccine and it could pronounce its decision within the next 24 hours or so, a spokesperson said.
As for Bharat Biotech, the Subject Expert Committee (SEC) on COVID-19 of the CDSCO asked the firm to expedite volunteer recruitment for the ongoing clinical trial and said it may conduct interim efficacy analysis for further consideration of restricted emergency use approval for its vaccine Covaxin, they stated.
Over the last four days, the Indian arm of US pharmaceutical giant Pfizer, Pune-based Serum Institute of India and Hyderabad-based pharmaceutical firm Bharat Biotech have applied to the Drugs Controller General of India seeking emergency use authorisation for their COVID-19 vaccines.
Replying to a question at a press conference in New Delhi, Union Health Secretary Rajesh Bhushan said, "At many places in the world, more than one vaccine are being administered, but presently, in no country, vaccine recipients have the option of choosing the shots."
The Serum Institute of India, Bharat Biotech and Pfizer have applied to the DCGI seeking emergency use authorisation for their COVID-19 vaccine candidates and are awaiting approval.
Experts, however, feel that given the intensity of the second wave and the high single dose coverage, India is in a good position to avoid any drastic wave in the near future.