D Sasikumaran is an Indian aerospace engineer and former ISRO scientist who was arrested in 1994 after being accused of false espionage charges.After completing his formal education, he started working as a scientist at Indian Space Research Organisation (ISRO).Sasikumaran was serving as the Deputy Director of the cryogenic technology division of the ISRO when he was arrested in 1994. Simultaneously, he was also in charge of the cryogenic technology transfer from Russia.After he was rumoured to have an affair with a spy woman, he was transferred to Space Applications Centre, Ahmedabad.After charges against him in the espionage case were dismissed in 1996, Sasikumaran started working as an engineering consultant in Thiruvananthapuram.Sasikumaran was arrested after the police found his residence and office telephone numbers in Mariams diary. Later, it turned out that Sasikumaran had ties with Mariam via their common friend Chandrasekhar. Apparently, ISRO had ties with Chandrasekhar related to the cryogenic project. Chandrasekhar and Mariam had made acquaintance at the Thiruvananthapuram airport after which he had given the phone number to Mariam for a consultation with Sasikumarans wife who was a doctor.Unlike his colleague Nambi Narayanan, who claimed compensation of 50 lakh, Sasikumaran was determined that he would not claim any compensation. While talking about the same to the media, he said, The tax payers money should not be used for paying compensation for the misadventures of officials and the conspiracy hatched by some big bosses. The compensation should be recovered from the erring officials..