Roles and responsibility: Based on design input produce design output inform of design calculations, GA Drawing, part drawing, Bill of material, Layout etc., Checking of design documents and drawings, Bill of materials Participate in design reviews and verification activities Issue and control of design drawing and documents. Maintenance of drawing, issue and control of drawings/documents. Collect Design input information. Revision in drawings/documents. Design calculations as per Design Manual Design improvement, modification in product, components as require Issue of standard parts and standardization. Up keeping of release design Master files. Product register records Preparation of instruction manuals. Standardization of components, and rationalization of parts. Checking of Drawings and documents. Release of approved drawings documents. Approval of part drawings as per instructions Checking of Calculations.