Calling out the Aam Admi Party for its alleged involvement in "grave irregularities and corruption" in the construction of 2,405 classrooms in 193 government schools in the national capital, Bharatiya Janata Party (BJP) Delhi chief Adesh Gupta said that these class rooms could have been made at a lower cost and highlighted that the Kejriwal-led government's "corrupt" character was exposed in front of the general masses.