REPARING OF SUBMERSIBLE PUMP [5HP] WITH NECY WASHING BY COMPRESSED AIR,SURGING,LIFTING OF PREPAIRING OF SUBMERSIBLE PUMP[15HP] WITH NECY.WASHING BY COMPRESSED AIR,SURGING,LIFTING OF PUMP FROM WELL & LOWERING THE PUMP AFTER4 MAKE NECESSARY REPAIRING & ALLIED ELECTRICAL & PLUMBING WORKS INCL S & F NEW PIPE,CABLE,STARTER AT BALLYGUNGE SCIENCE COLLEGE,C.U