India, June 18 -- The enforcement directorate (ED) on Wednesday raided around 37 locations belonging to private contractors in the national capital region (NCR) including Delhi in connection with the alleged Rs.2,000-crore classroom construction irregularities case in which former ministers and senior Aam Aadmi Party (AAP) leaders Manish Sisodia and Satyendar Jain are under the scanner, people familiar with the development said.

The ED probe stems from a first information report (FIR) filed by the anti-corruption branch (ACB) of the Delhi government. President Droupadi Murmu granted the ACB approval in March to formally investigate Sisodia and Jain over alleged irregularities in the construction of school rooms and buildings. On April 30...