As the country's COVID-19 tally rose to nearly 8.5 lakh, authorities were getting ready to reimpose lockdown for varying periods in more cities, including in Bengaluru and Pune, in the coming days, while there appeared to be an improvement in the situation in the national capital.
The Uttar Pradesh government decided to implement strict restrictions across the state on weekends to check the spread of coronavirus, joining Karnataka and Tamil Nadu which have been imposing Sunday lockdown.
Assam, Arunachal Pradesh, Meghalaya and Bihar were among the states that have already announced area-wise lockdown for different durations.
Karnataka government has now announced a complete lockdown in Bengaluru for seven days from July 14.
Tamil Nadu Chief Minister K Palaniswami extended the curbs in Madurai and nearby regions including the Paravai Town Panchayat and several village panchayats till July 14.
The Maharashtra government had earlier announced a comprehensive lockdown in Pune and Pimpri-Chinchwad from July 13-23. The state government had imposed similar curbs in areas around the state capital Mumbai.
Authorities in Kashmir too began strict implementation of another phase of the lockdown on Sunday, sealing off historic Lal Chowk and 67 other areas in Srinagar which have been declared containment zones after a sudden surge in COVID-19 positive cases over the past one week.
However, there have been some positive developments in Delhi where the COVID-19 case count on Sunday remained below the 2,000-mark for the second consecutive day.
And with the recovery rate improving to nearly 80 per cent, authorities have for now put on hold plans to use stadiums as makeshift coronavirus care facilities.
In the last 24 hours, the national capital has recorded 1,573 fresh coronavirus cases, taking the tally to 1,12,494 in the city, while the death toll mounted to 3,371 after 37 fatalities were reported, according to the latest Delhi health department bulletin.
Chief Minister Arvind Kejriwal said that Delhi has been able to minimise deaths of coronavirus patients in home isolation through pulse oximeters, which he termed as "suraksha kavach'' (protective shield).
Maharashtra was still struggling to contain the surge in cases which rose by 7,827 to 2,54,427 on Sunday, the highest in the country.
With 1,263 new COVID-19 cases being recorded on Sunday, Mumbai's case count mounted to 92,720, the Brihanmumbai Municipal Corporation said.
Sixteen personnel at the Raj Bhavan in south Mumbai have tested coronavirus positive, a civic official said.
In a statement, Maharashtra Governor Bhagat Singh Koshyari said he is perfectly alright and had tested negative.
Superstar Amitabh Bachchan, his son Abhishek, daughter-in-law Aishwarya and grand daughter Aaradhya are among those who have tested positive for COVID-19.
In a series of tweets, Abhishek said he and his father will "remain in hospital till the doctors decide otherwise".
"Aishwarya and Aaradhya have also tested COVID-19 positive. They will be self quarantining at home," he said.
Veteran actor Anupam Kher said his mother, Dulari, along with brother Raju and his family have also tested positive for COVID-19 and are currently under quarantine.
Tamil Nadu has the second highest number of cases in the country. With 4,244 fresh infections being reported, its tally rose to 1,38,470, the state health department said.
The state came to a virtual standstill under an intense 'Sunday lockdown' as only police and health personnel could be seen on roads, and hospitals, labs, ambulance services and pharmacies alone worked as per government directives.
Such curbs will be observed on two more Sundays this month.
Health workers, however, continued their routine of door-to-door checks to ascertain if people had flu-like symptoms in Chennai and several other parts of Tamil Nadu.
Mist cannons, which are huge blowers mounted on trucks, went around several neighbourhoods in Chennai spraying disinfectants.
In Karnataka too, most vehicles stayed off the roads and shops remained shut due to the Sunday lockdown.
The number of coronavirus cases in Karnataka may double in the next 15 to 30 days and the coming two months would emerge as a big challenge for the government in tackling the pandemic, state Health Minister B Sriramulu said.
"Lockdown has been announced in Bengaluru from Tuesday 8 pm for the next seven days. Abide by the regulations. Everyday more than 2,000 cases of coronavirus are coming to fore," Sriramulu said late Saturday.
As on Saturday, the cumulative tally of COVID-19 cases in the state touched 36,216.
Bihar registered the highest single-day spike of 1,266 novel coronavirus cases, taking the tally to 16,305 on Sunday even as nearly a third of its 38 districts were under lockdown to contain the pathogen. Patna, Bhagalpur, Nalanda, Nawada, Begusarai and West Champaran districts have been under restrictions for more than 24 hours.
The Health Department attributed the spike to the enhanced testing capability.
In Uttar Pradesh, Additional Chief Secretary (Home and Information) Awanish Awasthi said that the lockdown restrictions will be imposed from coming Saturday on weekends and will remain in place at least for July.
Meanwhile, shops and business establishments, other than those dealing in essential services, remained closed in Uttar Pradesh on Sunday. The state government had on Thursday announced 55 hour-long restrictions from 10 pm on Friday till 5 am on Monday following a surge in coronavirus cases.
The state has reported over 35,000 cases so far.
The Arunachal Pradesh government had on Saturday extended the lockdown in the capital region for another week till 5 pm on July 20 in view of the spurt in COVID-19 cases in the region.
Several states reported highest single-day spike on Sunday. Among them was Gujarat where the tally rose by 879 to reach 41,897.
West Bengal's COVID-19 cases crossed the 30,000-mark with record 1,560 new cases reported from different parts of the state, according to a bulletin issued by state the health department.
A new daily record of 1,933 cases pushed the coronavirus tally in Andhra Pradesh to 29,168 on Sunday.
India added a record 28,637 cases of coronavirus infection pushing the country's COVID-19 tally to 8,49,553, while the death toll climbed to 22,674 with 551 people succumbing to the disease in a day, according to the Union health ministry data.
The number of recoveries stands at 5,34,620, while there are 2,92,258 active cases of coronavirus infection presently in the country, the updated data at 8 am on Sunday showed.
Union Health Minister Harsh Vardhan said early detection of COVID-19 cases through widespread testing, surveillance and clinical management has resulted in India having one of the lowest fatality rate at 2.66 per cent
The minister, who visited the Sardar Patel COVID Care Centre at Chhattarpur in Delhi to review its COVID-19 management status, also said that "our success" can be seen in the recovery rate which is almost 63 per cent at present.