Section 6(1)(b) in Telangana State Audit Act, 1989
(b)require in writing-(i)any salaried employee of the local authority or other authority accountable for or having the custody or control of such receipts, vouchers, statements, returns, correspondence, notes or other documents; or(ii)any person having directly or indirectly by himself or his partner any share or interest in any contract with or under the local authority, or other authority to appear in person or by an authorised agent before him at the head office of the said authority and answer any question or sign a declaration with respect thereto;