Dehradun, March 22 -- Citing an official probe report that revealed illegal construction of a road on government land at Yamkeshwar in Pauri Garhwal, the opposition Congress has lashed out at the Bharatiya Janata Party (BJP) and accused the sons of former cabinet minister Prem Chand Aggarwal and state BJP chief Mahendra Bhatt of indulging in corruption. The report, of which HT has seen a copy, is being circulated on social media. However, the former minister's son, Piyush Aggarwal, and the BJP president's son, Abhishek Bhatt, have denied the allegations....