supply, installation and commissioning of equipments, instruments, machineries, tools, devices etc. for physics and chemistry laboratory, civil, mechanical and electrical engineering laboratories and workshops at raipur govt poly., raipur, bankura supply, installation and commissioning of equipments, instruments, machineries, tools, devices etc. for physics and chemistry laboratory, civil, mechanical and electrical engineering laboratories and workshops at raipur govt poly, raipur, bankura , compacting factor test apparatus , core cutter testing apparatus , digital schmidt rebound hammer , ultrasonic pulse velocity test apparatus , rebar locator , piezometer tube , u-tube manometer , u-tube differential manometer , current meter , c.o.d analyzer kit , plane table with tripod stand with accessories , bitumen penetrometer , flakiness index testing apparatus , centre lathe , double wheeled bench grinder , abrasive cut off machine , arc welding equipment : arc welding cable , three phase variac , panel set for experiment to plot v-i characteristics of solar panel/cell and determine the fill factor. , panel setfor performingan experiment to study the effect of shading on solar cell current when pv cell are connected in series, parallel combination , panel setfor performing experiment to study the effect of tilt angle on solar cell parameters( voc, vmp, isc,imp,mpp,fill factor, efficiency) . , panel set to determine of the rating of accessories (preparation of solar panel from solar module charge controller, battery, inverter ) of solar pv system to generate electricity , panel set for experiment to determine efficiency measurement of stand alone solar pv system. , vernier caliper , screw gauge , spherometer , concave mirror , convex mirror , concave surface , glass slab , glass slab , wood, metal inclined plane apparatus for determining coefficient of static friction between wood and glass , hooks law apparatus , mercury , magnet , small hollow metal cylinder , small crome steel bearing balls , flywheel apparatus , apparatus to determine the coefficient of linear expansion of a rod (pullinger’s apparatus) , apparatus to verify inverse square law of radiations using a photo-electric cell. , electrical circuits to verify kirchhoff’s law. , apparatus to study the dependence of capacitance of a parallel plate capacitor on various factors and determine the permittivity of air at a place. , apparatus to determine and verify the time period of oscillation of a cantilever , weston galvanometer , dc power supply , p.o. box , boyle’s law verification apparatus , stokes law apparatus , standard fortin’s barometer , plug type resistance box , redwood viscometer , flash point and fire point apparatus