Bitac of Bangladesh Industrial Technical Assistance Center, Pakistan Industrial Technical Assistance Center counts as the successor. After independence of Bangladesh was renamed bitaka. And the public sector aiaradisi piaipiesa two other firms to integrate utpadanasilatamukhi bitaka was established in 196. Establishment of the laboratory and workshop facilities bitaka be conducted through the coming byabaharamukhi for productivity improvements. Therefore it can be said, products, processes and skilled human resources to improve the national economy through the creation of the primary purposes bitakera. The five centers bitakera Dhaka, Chittagong, Chandpur, Khulna and Bogra located.