India, June 4 -- The anti-corruption bureau (ACB) of the Delhi government has summoned Aam Aadmi Party (AAP) leaders and former Delhi ministers Manish Sisodia and Satyendar Jain in connection with the alleged Rs.2,000-crore classroom construction case, officials said.

Jain has been asked to appear on June 6, while Sisodia has been summoned for questioning on June 9, the officials aware of the matter said.

Both Jain and Sisodia have been asked to join the investigation in connection with alleged irregularities and financial improprieties in the construction of semi-permanent school rooms and buildings, by the then executive of Delhi government, at inflated costs.

"Allegations have been leveled against several functionaries of the then D...