The stock is facing selling pressure on fears of likely new trouble brewing up.
According to media reports, the Rajasthan government has laid claim on Cairn India's Barmer gas, making it difficult for the Anil Agarwal Group company to sell the fuel outside.
The company is already in tangle with the Central government over the alleged Rs. 20,500 crore tax dispute.
The stock so far in the day has touched a low of Rs. 176, and is now down 2.5 percent at Rs. 178. The counter has seen trades of around 54,000 shares as against the two-week daily average volume of around 317,000 shares on the BSE.
Meanwhile, the Sensex has cracked 575 points to 27,237.