Adani group companies have reported a 13.7 per cent rise in cash reserve to Rs 45,895 crore in the first half of the current fiscal as earnings across the business rose while debt was almost unchanged.In the half-year credit performance report, Adani said while EBITDA rose to Rs 71,253 crore in April-September this fiscal from Rs 57,219 crore a year back, gross assets increased 6 per cent to about Rs 4.5 lakh crore.Gross debt was almost unchanged at Rs 2.26 lakh crore, but after considering cash reserves, the net debt at Rs 1.80 lakh crore was 3.6 per cent less than Rs 1.87 lakh crore in April-September 2022.