Demand fell by as much as 70 per cent but after unlock and lifting of restrictions, it has come back to 72-80 per cent.
"Fitch rates GAIL as an integrated utility, considering its presence in both gas transportation and marketing along with petrochemical and liquid-hydrocarbon businesses," the statement said.
Detailed SOPs / protocols have also been devised for ensuring hygiene and social distancing norms and promoting use of masks at the project sites and work stations.
The Department of Telecommunications had sought Rs 1.83 lakh crore from GAIL and Rs 48,489 crore from OIL by including their revenues from oil and gas business in calculating dues.
Revenue rose to Rs 18,763.87 crore in the fourth quarter of the 2018-19 fiscal year when compared with Rs 15,430.69 crore net profit in the year-ago period.
The loan is for a 15-year tenure, the company said in a statement without saying what interest rate it would pay on the borrowing.