International Competitive Bidding for Supply, Installation, Commissioning and Operation & Maintenance Services For Continuous Ambient Air Quality Monitoring Stations (CAAQMS) in Shimla Pre-Bid Meeting 23/02/2024, at 11:30AM through Video Conference VC Link: https://meet.google.com/qbw-xzxc-itf International Competitive Bidding for Supply, Installation, Commissioning and Operation & Maintenance Services For Continuous Ambient Air Quality Monitoring Stations (CAAQMS) in Shimla Corrigendum-I Corrigendum-II Corrigendum-III