Engagement Of Agency For Procurement Of Material For Works Contract For Supply And Delivery Of Consumable Item-Argon Gas For Our Tankage Project 6B Site At Hrrl Refinery Pachpadra Barmer Rajasthan 344032 /// Supply And Delivery Of Consumable Item-Argon Gas For Our Tankage Project 6B Site At Hrrl Refinery Pachpadra Barmer Rajasthan 344032 Appointment Of Agency For Procurement Of Material For Work Contract For Delivery.