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New Delhi, Apr 5: Joining efforts to fight COVID-19, the Defence Research and Development Organisation (DRDO) has designed a full-body disinfection chamber and a special face protection mask for healthcare professionals, officials said.

The special chamber called 'PSE' has been designed by Vehicle Research Development Establishment (VRDE), Ahmednagar, a DRDO Laboratory.

The walk through enclosure is designed for personnel decontamination, one person at a time. It is a portable system equipped with sanitiser and soap dispenser, officials said.

The decontamination is started using a foot pedal at the entry. On entering the chamber, electrically-operated pump creates a disinfectant mist of hypo sodium chloride for disinfecting, the DRDO said in a statement.

The mist spray is calibrated for an operation of 25 seconds and stops automatically indicating completion of operation. As per procedure, personnel undergoing disinfection will need to keep their eyes closed while inside the chamber, it said.

The system consists of roof mounted and bottom tanks with a total of 700 litres capacity. Approximately 650 personnel can pass through the chamber for disinfection until the refill is required, the DRDO said.

The system has see-through glass panels on side walls for monitoring purpose and is fitted with lights for illumination during night-time operations, it added.

This system can be used for disinfection of personnel at the areas of controlled ingress and egress such as entry and exit to hospitals, malls, office buildings and critical installations, officials said.

Also, Research Centre Imarat (RCI), Hyderabad, and Terminal Ballistics Research Laboratory (TBRL), Chandigarh, have developed face protection mask for healthcare professionals handling COVID-19 patients, the DRDO added.

Its light weight construction makes it convenient for comfortable wear for long duration. This design uses commonly available A4 size Over-Head Projection (OHP) film for face protection, it said.

One thousand face shields are being produced daily in TBRL and provided to Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, it said.

Similarly, 100 are produced at RCI and these have been handed over to Employees' State Insurance Corporation (ESIC), Hyderabad. A demand of 10,000 shields has been received from PGIMER and ESIC hospitals based on successful user trials, the DRDO added.

New Delhi, May 22: Air India on Friday started booking for domestic flights amid the COVID-19 lockdown.

"We have started bookings for domestic flights," said Air India in a statement.

The airlines will operate a total of 8,428 flights each week for the next three months from May 25 to August 25 as the Central government has announced the resumption of domestic flights.

Civil Aviation Minister Hardeep Singh Puri on Thursday said that a minimum and maximum fare for three months has been set for the domestic flight services, which resume from May 25.

In the case of Delhi, Mumbai the minimum fare would be Rs 3,500 for a journey between 90-120 minutes. The maximum fare would be Rs 10,000.

"This is operative for three months -- till one minute to midnight on August 24," said Puri at a press conference here.

Puri said that guidelines have been issued for the passengers and airports, which are to be followed during flight operations.

He also said that self-declaration or Aarogya Setu App status on a compatible device would be obtained to ensure that a person does not have COVID-19 symptoms.