Hyderabad, July 2 -- Telangana Anti-Corruption Bureau (ACB) served new notices to senior IAS officer Arvind Kumar, calling him for interrogation in relation to the investigation into irregularities of the Formula E-car race conducted in Hyderabad.

As per officials, Arvind Kumar has been summoned to appear before the ACB at 11:30 am on Thursday, July 3. The summons were made based on statements reportedly given by former minister and working president of BRS KT Rama Rao (KTR) during his questioning in the same case.

Arvind Kumar, who was abroad for almost a month, returned to Hyderabad on June 30. His return again set off a fresh series of notices issued by the ACB, which is making efforts to expand its probe into possible procedural fla...