The plea filed by a man, who claimed to be a whistle blower, said illegal sand mining was going on at defence land situated at the Tilpat Ranges 1 and 2 on the banks of Yamuna in Faridabad (Haryana) and Noida, which falls in the Gautam Budh Nagar district of Uttar Pradesh.
He said the illegal activities caused loss of over Rs 29 crore to the exchequer.
The plea also sought a direction to the CBI to enquire into serious offences of corrupt practices in compliance with a letter issued by the Prime Minister's Office in October 2016.
It said the whistleblower had earlier filed a petition in the National Green Tribunal against the illegal mining activities of sand mafias on the defence land and the tribunal had in 2013 prohibited mining activity which was being carried out in Faridabad.
The man had earlier also approached the high court seeking his relocation to the national capital from Haryana where he was allegedly facing threat to his life for raising the issue of illegal sand mining.
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