It had posted a net profit of Rs 9.05 crore in the same period last year, Blue Star informed BSE.
The company's total income on standalone basis increased 11.58 per cent to Rs 716.66 crore during the July-September quarter against Rs 642.24 crore a year ago.
During the quarter, Blue Star had an exceptional loss of Rs 15.80 crore on account of voluntary retirement scheme. It was Rs 9.51 crore in same quarter last fiscal.
Its total income during the first half of the current fiscal was at Rs 1,625.24 crore, up 9.82 per cent, from Rs 1,479.85 crore a year ago.
Shares of Blue Star today settled at Rs 360.15 per scrip on BSE, up 1.82 per cent from previous close.