The CBI has arrested Bharat Mathur, the Senior Vice President of a major corporate group and a deputy director general of civil aviation, in a Rs 2.5 lakh bribery case to facilitate the import of drones for another private company, officials said Sunday.In an operation on Saturday, the CBI arrested Mathur, who is also associated with an aerospace company involved in drone imports, and Mudavath Devula, Deputy Director General at the Airworthiness Directorate, Directorate General of Civil Aviation (DGCA), Headquarters, New Delhi.The accused DGCA public servant allegedly demanded undue advantage from private persons in lieu of issuing approvals and permissions for applications pending with DGCA for a private aerospace company, a CBI spokesperson said in a statement.“The CBI arrested Deputy Director General at the Airworthiness Directorate, Directorate General of Civil Aviation (DGCA), Headquarters, New Delhi, along with a representative of a private company in a bribery case of Rs. 2.5 lakh resulting in the seizure of the entire amount,” it said.The CBI conducted searches at the premises of the accused public servant and other private persons across four locations in Delhi, resulting in the seizure of cash worth Rs 37 lakh along with gold and silver coins and multiple digital devices, the statement added.