India's long-term rating was affirmed at 'BBB-' with a stable outlook while the short-term rating was held at 'A-3'.
"The stable outlook reflects our expectation that India's economy will recover following the resolution of the COVID-19 pandemic," analysts at the rating agency wrote.
"It is painful to note, in this crucial time... in many parts of the country, both government and public are complacent and engaged in mass gatherings without following COVID protocols," the IMA said.
States and territories "must ensure that the whole process is carefully calibrated," Home.
A system should be in place at the micro level to ensure that whenever cases are rising in a smaller place it gets checked there itself through local containment measures.
The Reserve Bank of India earlier this month warned that high energy prices could stoke inflation while cutting the growth forecast to 9.5% from 10.5% for the current fiscal year beginning April.
Annual retail inflation rose 6.30% year-on-year, up from 4.29% in April. Analysts had forecast retail inflation at 5.30%.
Sentiment for bonds was buoyed by the Reserve Bank of India's 350-billion-rupee ($4.80 billion) worth bond buy on Thursday, while a fall in US Treasury yields also helped.
India's benchmark 10-year bond yield closed up 1 basis point on the day at 5.98%, but ended down 1 bp on week.
Medical experts say the real numbers of COVID-19 cases and fatalities are likely to be far higher than official tallies.
India is yet to impose a national lockdown as it did during its first wave last year, but around half of all its states have imposed a total shutdown. The rest are under a partial shutdown.
"It is noteworthy that economic activity in India is holding up admirably against COVID-19's renewed onslaught," the RBI said.
"Apart from contact-intensive sectors, activity indicators largely remained resilient in March and grew beyond pre-pandemic levels on the back of strong momentum rather than statistical base effects," it added.
The MPC kept its key interest rate at a record low of 4% earlier this month and said monetary policy would remain accommodative until the prospects of a sustained recovery were well secured.
"The economic recovery can come under risk if this new wave of infections is not flattened soon," said Mridul Saggar, executive director at RBI and a member of the MPC.
Hong Kong late on Sunday said the Asian financial hub will suspend flights from India, Pakistan and the Philippines from April 20 for two weeks due to imported infections.
The benchmark 10-year bond yield closed at 6.08%, down 5 basis points on the day after earlier rising to 6.18%, its highest since April 7.
On Friday, RBI sold bonds worth 113.27 billion rupees, less than half of what it set out to raise for the government and rejected all bids at the sale of the 10-year bond.