Itagar, May 14: After two years of intense search, City police in a major breakthrough, arrested the prime accused involved in the robbery of Aruchal Pradesh Rural Bank here and recovered three country-made pistols and 33 rounds of live ammunition, police said here today. A police team led by SDPO Techi Hanyir, Itagar police station OC Inspector T Bage, SI W Wangsa and a section of 3rd IRBn personnel under the close supervision of Capital SP Dipankar Mishra arrested Gichik Tachung, the accused from Songlo-3 Village, near here, during a raid on Tuesday night. 28-year-old Tachung hails from Lengdik village under Tali Circle of Kra-Daadi district, SP Mishra informed. Armed robbers on December 5, 2013 committed a robbery in the Ganga branch of the bank. While two robbers mely Tapo Marde and Hiba Tajuk were arrested and the case was charge sheeted, the prime accuse was absconding since then.The police however, continued the search with patience for nearly two years and filly could b the culprit, he said. Tachung is a professiol robber and reportedly arrived in the capital with a plan to commit robbery again, Mishra added. Meanwhile, DGP S Nithiandam has appreciated the prompt action of the city police and has rewarded officers and the police men involved in the entire operation.