Bharne, the local Nationalist Congress Party MLA, was attending the inauguration of a new bank building in Pimpri Budruk village on Saturday.
"We can celebrate festivals later. Let us prioritise the lives and health of our citizens. The situation can go out of hand in view of the spike in daily cases," Thackeray said in a statement.
Thackeray said he has given instructions to increase the oxygen production in the state to 3,000 metric tonne from the present 1,400 metric tonne.
Mumbai city saw 415 new cases and four COVID-19 deaths while Pune city added 324 infections and 32 fatalities.
A paediatrician task force was formed by the Maharashtra state government in May to prevent children from contracting COVID-19 amid fears of a possible third wave of the pandemic.
'Ashirvad' rallies putting people's life in danger, held despite COVID third wave threat: Maharashtra CM
Newly-appointed Union ministers of BJP recently organised "Jan Ashirwad" rallies to take blessings of people.
The protests, organised by Aadhyatmik Aghadi (spiritual wing) of BJP, were held in Pune, Mumbai, Nashik, Nagpur, Pandharpur, Aurangabad and other places where agitators rang bells and blew conches.
Earlier this week, 22 inmates of a boarding school in Mumbai had tested positive for the viral Coronavirus infection.
While Covid 19 cases have come down in the state, a high mortality rate continues to bog down the health officials. Maharashtra’s mortality rate is higher than the national and world average.
"The 'Jan Ashirwad Yatra' is an invitation for a third wave of COVID-19. The BJP is doing it deliberately," the Rajya Sabha member claimed.
Maharashtra is conducting genome sequencing tests of COVID-19 positive patients' samples on a regular basis to ascertain the extent of spread of mutants of the virus.
Maharashtra Educations Minister Varsha Gaikwad said that they have permitted the schools to restart the classes by following their given Standard Operative Procedures (SOPs).
After the spike in Covid-19 cases in neighbouring Maharashtra and Kerala, the Karnataka government made it compulsory for the commuters entering the state to bring RT-PCR negative reports.
Restaurant owners, traders and mall workers associations have been demanding that the timings of their establishments be extended and had also staged a protest.
Maha: Fearing COVID test, family keeps deceased man's body at home for 3 days; elder daughter kills self
The women had kept the body at home fearing that they might be quarantined in case they tested positive for COVID-19 following their father's death, an official said.