Most of them had fled a brutal military offensive in neighbouring Myanmar in 2017 that UN investigators concluded was executed with "genocidal intent".
The B.1.617 variant of the coronavirus was first detected in India last year and has been blamed for much of a devastating Covid-19 wave that has battered South Asian nations in recent weeks.
Bangladesh, who lead the three-match series 1-0, were in trouble at 74-4 when Mushfiqur put on 87 runs for the fifth wicket with Mahmdullah Riyad (41), before they were bowled out in 48.1 overs in Dhaka.
Earlier, local media reports said that Pakistan and Qatar authorities had negotiated $5 billion investment projects in Pakistan but they could not be materialized.
For the fifth straight day, India has set a new global record for a rise in daily coronavirus cases, in addition to cumulative deaths jumping to an all-time high figure over the past 24 hours.
With 352,991 additional cases in the past 24 hours, India's total infections have surpassed 17 million, behind only the United States.
There are growing concerns that strains of the virus being tested in India are potentially more contagious.
Shanto took his maiden Test century to 163 while Mominul weighed in with 127 as they shared Bangladesh's best ever partnership for the third wicket in Tests.
The South Asian nation of 160 million people has recorded 684,756 cases and 9,739 deaths, but the number of daily cases has increased sevenfold in a month.
Heartfelt condolences to the government and brotherly people of Bangladesh and the bereaved families," Foreign Office tweeted.
At least 26 people died after a Bangladesh ferry carrying around 50 passengers collided with a cargo vessel in the Shitalakhsya River south of the capital Dhaka.
Pakistan has been omitted both from the Leaders Summit on Climate as well as the list of leaders who will hold talks with Special Presidential Envoy for climate John Kerry.