HIRING THE SERVICES OF SYNCHRONOUS ON-OFF AND NATURAL PSP SURVEY FOR CATHODICALLY PROTECTED HYDROCARBON PIPELINES IN ROW/ROU OF PIPELINE DEPARTMENT OF OIL INDIA LIMITED IN THE STATES OF ASSAM,WEST BENGAL AND BIHAR FOR A PERIOD OF SIX MONTHS WITH PROVISION TO EXTEND THE CONTRACT FOR SIX MORE MONTHS UNDER ELECTRICAL SECTION, PHQ, GUWAHATI, ASSAM
