supply of smps based integrated power supply system ips system confirming to rdso speci fication no rdso spn 165 2023 ver 4 0 or latest as per drawing no sdo ips ei 6l re 004 and supply of s pares as per enclosed warranty period 48 months after the date of delivery supply of smps based integrated power supply system ips system confirming to rdso speci fication no rdso spn 165 2023 ver 4 0 or latest as per drawing no sdo ips ei 6l re 004 and supply of s pares as per enclosed