Indian Institute of Science Education and Research (IISER), Thiruvananthapuram is intending to take up the work of “Operation and Maintenance of 400KLD Sewage Treatment Plant (STP) at IISER TVM Campus Vithura, Thiruvananthapuram for a period of one year.” IISERTVM desires to engage specialist agencies with experience in operating and maintaining such plants running in MBBR technology. The agency should have at least 10 year experience in the field of Construction, Operation and maintenance of large sewage treatment plants. The agency shall be currently running at least two plants of capacity 100 KLD or above successfully.