The stock lost 3.65 per cent to touch its one-year low of Rs 156.80 at the BSE.
On the NSE, it went down 3.66 per cent to Rs 156.60 -- its 52-week low.
Cairn India, the operator of nation's biggest onshore oilfield, yesterday reported a 24 per cent drop in June quarter net profit due to a slide in international oil prices.
Net profit in April-June at Rs 835 crore, or Rs 8.36 per share, was 24 per cent lower than Rs 1,093 crore, or Rs 18.17 a share, in the same period a year ago, the company said in a statement.
Cairn got USD 56 per barrel for oil it sold in the first quarter of the current fiscal, 42 per cent lower than USD 97 a barrel realisation in the year-ago period.
Oil production from its prime Rajasthan block was 6 per cent down at 1,72,224 barrels per day.