The Supreme Court on Monday refused to interfere with a plea alleging risk of contamination of land and groundwater due to possible leakage of mercury from incinerated waste linked to the Bhopal gas tragedy. The top court, however, asked the 'Bhopal Gas Peedith Sangharsh Sahyog Samiti' to approach the Madhya Pradesh High Court which has been monitoring the rehabilitation and related issues for over three decades. A bench comprising Chief Justice Surya Kant and Justice Joymalya Bagchi took note of the submissions of senior advocate Anand Grover, appearing for the victims' association, and said the high court would deal with the plea expeditiously. In December 1984, more than 40 tonnes of methyl isocyanate gas leaked from the Union Carbide pesticide plant in Bhopal, claiming over 15,000 lives and exposing millions to toxic gas. The petitioner organisation alleged that the disposal of waste from the former Union Carbide Corporation plant site could lead to mercury leaching from the ..