Tenders for Annual Maintainance Contract For Portable Compressor, Qty 08 Nos Along With Indicative Spares, As And When Required For A Period Of 03 Years, Comprehensive Annual Maintainance Contract Of Kirloskar Make Screw Type Air Compressors, Qty 02 Nos, For A Period Of 03 Years, Examination, Ultrasonic Test By Ndt Method With Thickness Testing And Certification Of Air Receivers With A Periodicity Of 1 Year For A Period Of 3 Years Including Silver Colour Oil Painting At Various Location Of Main Factory Area Ardc