Tender For bid to ras corrigendum : supply of microscopes - fully motorized inverted microscope with optical sectioning functionality for high resolution imaging with 05 years warranty period , stereo zoom microscope with fluorescence and camera with 05 years warranty period , upright bright field and phase contrast research microscope with 05 years warranty period , trinocular upright fluorescence microscope with scientific digital camera with 05 years warranty period , trinocular stereo microscope with camera attachment for teaching research purpose with 05 years warranty period