supply of physical metallurgy lab ( pml ) equipment, accessories and consumables , supply of physical metallurgical lab equipment, accessories and consumables as per technical specification in annexure-a , metallography consumables ( as per technical specification in annexure-a ) , accessories for electrolytic polishing machine ( as per technical specification in annexure-a ) , accessories for inverted metallurgical microscope ( as per technical specification in annexure-a ) , accessories for stereo zoom microscope ( as per technical specification in annexure-a ) , digital superficial rockwell hardness tester with touch screen display ( as per technical specification in annexure-a ) , optional extended warranty for 3 years after standard warranty 3rdyear , 4thyear , 5thyear , optional amc of the equipment for a period of 2 years after the extended warranty 6thyear , 7th year