MUMBAI, Oct. 4 -- The Central Bureau of Investigation (CBI) has arrested two senior government officials, including an auditor with the Controller General of Defence Accounts (CGDA), Ministry of Defence, and a chief office superintendent at a divisional Railway Hospital, in two separate cases involving alleged demand of illegal gratification to extend favours to private suppliers, officials said on Friday. In the first case, Ashokkumar Jadav, auditor (Personnel of Integrated Financial Advisor), CGDA, Gandhinagar (Gujarat), was arrested on Tuesday following a written complaint from the proprietor of a Pune-based firm trading in CCTV systems. The complainant alleged that Jadav had demanded a bribe of Rs.4 lakh to clear a file related to a CCTV supply order worth Rs.2.5 crore for the Indian Air Force in Pune. Acting on the complaint, the CBI's Pune unit registered a case on Monday under sections of the Prevention of Corruption Act relating to demand of undue advantage and abetment. A trap was laid on Tuesday, and the accused was caught while demanding and accepting Rs.3.5 lakh. Jadav was placed under arrest and produced before a Pune-based special court, which remanded him in CBI custody until Saturday. The agency had earlier obtained a transit remand from an Ahmedabad special court to produce him in Pune. In the second case, Lakshmishankar Mathuraparsad, chief office superintendent, Divisional Railway Hospital, Hingoli Gate, Nanded (Maharashtra), was arrested on Monday. The CBI's Pune unit registered a case against him on receipt of a complaint alleging that he demanded an undue advantage of Rs.25,000 - later reduced to Rs.20,000 - from a private firm for processing pending bills of Rs.91,570 related to housekeeping and cleaning work. The agency caught Mathuraparsad at his home in Nanded while allegedly accepting Rs.20,000 from the firm's representative. He was immediately arrested. The CBI also conducted searches at the residential and offices of both accused....