contract for “assistance invarious sample preparation / collection / testing / supply / sundry job in labs 2021-23” -1 schedule –a min 09 ( nine ) operation daily in central-lab for sample supply / sundry job / bag testing & messenger job, misc job etc+100 extra operation ( unskilled ) ntotal ( 313x9 ) +100=2917 operation in year. ntotal 5834 operation in two year 2 schedule –b min05 ( five ) operation daily in rotating shift ( a, b, c ) & general duty in plant labs for sample supply / sundry job, miscjobetc +120 extra operations. ( unskilled ) ntotal ( 365x5 ) +120=1945 operations inyear. ntotal 3890 operation in two year 3 schedule –c ( 1372operations per year for 313 days ) nthe work involves in this schedule of min 04 ( four ) operation daily plus 120 operation extra in general duty in central lab nfor nabl related jobs ( skilled ) ntotal ( 313 x 4 ) +120=1372 in one year ntotal 2744 operation in two year