India's daily coronavirus cases rose by 329,942, while deaths from the disease rose by 3,876, according to the health ministry. India's total coronavirus infections are now at 22.99 million, while total fatalities rose to 249,992.
According to the health ministry a record number of people were killed by the coronavirus in the past 24 hours, pushing its overall death toll over a quarter million.
Deaths grew by 4,077, while infections rose by 311,170 - the smallest rise in daily cases in over three weeks, health ministry data showed on Sunday. Total infections have risen by over 2 million this week and deaths by nearly 28,000.
India's new coronavirus cases dipped marginally on Sunday but deaths due to the infection jumped by a record 3,689, with one more state going into lockdown as the nation's creaky healthcare system is unable to cope with a massive caseload.
The hardest-hit country in the world by the pandemic, the United States has marked 20.4 million cases overall and just under 350,000 deaths.
The daily caseload of 100,233 is also a world record for the global pandemic, surpassing the 97,894 cases reported by India in a single day in September.
The grim milestone represents a significant spike from the previous single-day death toll record of 279. The Health Ministry also announced 4,251 new infections, pushing the total count to 534,630.
The extremely heavy rainfall of 25.63 cm recorded at Osmania University in the city also broke the 20-year-old record.
Russian authorities have so far shunned imposing a second lockdown or shutting down businesses nationwide, insisting that the health care system is able to cope with the surge.