procurement of spares of instrotech make asld system for 2x660 mw, sstpp, dongalia, khandwa. , schedule -i ( field instrument ) , inspecta audio sensor & head amplifier part no.fft-ha3 , pipe work assemblypart no.fft-pws-ss , female mating connector for cable part no.fft-fe-con , male connector on ha-3 housing part no.fft-mal-con , schedule-ii ( panel instrument ) , smps for panel part no.fft-smps , fused tb part no.fft-ftb , terminal block ( 10 pin ) for mux box ( phoenix contact or equivalent ) part no.fft-mux-tb , mux hard disk part no.fft-mux-ssd , full mux box for one to one swapping with existing mux box for easy changeover part no.fft-mux