Gamharia: An annual bonus agreement for the year 2017-18 was entered by the Jamshedpur unit of Usha Martin company and its union on Friday. The signatories of the agreement included DJ Basu, Personnel head, D Majumdar, Jamshedpur unit head, Sudipto Lahiri, personnel and management head, union leaders Viram Manjhi, RC Das, Raghunath Pradhan, Sudhir Mahato, Ranjeet Kumar, Indrajeet Singh and Varduti Tudu.