O M Sewerage Schemes Guruvayur Drainage Scheme Routine Cleaning Of Manhole And Sewer Pipe Lines Using Bandicoot Robot Cleaning Machine Along With Jetting Machine Auger Machine Or Suction Cum Jetting Tanker For A Period Of 3 Months O M Sewerage Schemes Guruvayurdrainage Scheme Routinecleaning Of Manhole And Sewer Pipe Lines Usingbandicoot Robot Cleaning Machine Along Withjetting Machine Auger Machine Or Suctioncum Jetting Tanker For A Period Of 3 Months