Kolkata: India on Monday reported another coronavirus death after a patient admitted at a hospital died in West Bengal, becoming the state's second COVID-19 fatality. 

"Another coronavirus patient dies in West Bengal, COVID-19 deaths in state go up to two," officials said, as quoted by news agency PTI.

The 54-year-old woman from Kalimpong in Darjeeling district breathed her last around 2 am at the North Bengal Medical College and Hospital, where she was admitted.

She had recently returned from Chennai, where she had gone for the treatment of her daughter. Her daughter and the doctor, who was treating the woman, have been quarantined at a centre, a health department official said.

Earlier, an elderly man from Kolkata had died due to COVID-19 last week. The total number of COVID-19 cases has risen to 21 in West Bengal with three more testing positive, including the two deaths.

The condition of the first COVID-19 patient in the state has improved, a health department official said.

Meanwhile, the state health department along with the district administration has identified 49 people who came in contact with the five members of the family from Tehatta, who tested positive for coronavirus, an official said.

A 26-year-old woman, on Sunday morning, called up senior officials of the state health administration and said she had travelled with the five in a train.

"We have quarantined all 50 people who came in contact with the members of the family from Tehatta. All of them will be kept under observation. Like the woman, we want others to come out," another health department official said.