Annual maintenance contract of three large size walk in Environmental chambers at NISE including utilities for 2 years. March 15, 2018 Anand Gupta 00061 Tenders Annual maintenance contract of three large size walk in Environmental chambers at NISE including utilities for 2 years. For more information please see below link: Source: mnre.gov.in Read more Ministry of Railways Issue Tender for Supply of 1 MW Solar Power Plant over the Prayagraj Division – EQ