Mumbai, April 6 (TIWN) Mumbai recorded four new Covid-19 deaths - all males - and the number of positive cases increased by 57, the BrihanMumbai Municipal Corporation (BMC) said here on Monday.

This has taken Mumbai''s total toll to 34, and the number of positive cases to 490 till date.

While 150 suspected cases were admitted, five who are fully cured have been discharged from hospitals.

The four who passed away are aged 41, 52, 62 and 80, and had been admitted to various Mumbai hospitals.

They individually suffered from other diseases like bronchopneumonia, alcoholism, hypertension, epilepsy, paralysis, diabetes, etc. and tested Covid-19 positive.

As many as 3,990 persons who were in quarantine out of 10,968 completed their isolation period till Sunday and the BMC has declared 226 ''containment zones'' in the city which are being updated regularly.

Health Minister Rajesh Tope hinted that the withdrawal of lockdown would depend on the situation in the state between April 10-15.

"It will entirely depend on how the situation develops then (April 10-15), and we will consider various factors, particularly for Mumbai-Pune, which have a large number of cases," he said.

H said the call would be jointly taken by Chief Minister Uddhav Thackeray, Deputy CM Ajit Pawar besides him, who would consider how other countries have come out of lockdown and World Health Organisation guidelines besides the Centre''s directives.

"Whenever it happens, it is certain that in Mumbai and Pune, it cannot be at one go. We would have to exercise extreme precautions," Tope said, dropping broad hints.