PRE-QUALIFICATION FOR All SIZES AND TYPES OF DRILLING BITS ALONG WITH ENGINEERING SERVICES AGAINST TENDER ENQUIRY NO. PROC-FB/CB/PREQUALIFICATION/BITS/D-4778/2020

PRE-QUALIFICATION FOR VARIOUS ENGINEERING CONSULTANCY SERVICES AGAINST TENDER ENQUIRY NO. PROC-FC/CB/PROJ/PREQUALIFICATION-4690/2020 

PRE-QUALIFICATION FOR All SIZES AND TYPES OF DRILLING BITS ALONG WITH ENGINEERING SERVICES AGAINST TENDER ENQUIRY NO. PROC-FB/CB/PREQUALI FI CATION/BITS/D-4778/2020