Telecom vendors' association TEMA has sought Communications Minister Ravi Shankar Prasad's intervention in getting Rs 3,000 Crore dues from BSNL, even despite the state-run firm has been reminded by suppliers and manufacturers several times. In a letter to the Minister, the Telecom Equipment Manufacturers Association (TEMA) said: "There is issue of release of funds from USOF to BSNL for the works already done by BSNL vendors.