Comprehensive amc and continuous operation of effluent treatment plant (etp) at diesel loco shed, siliguri for a period of 03 (three) years.

Custom bid for services - hiring of services for operation and maintenance of etp cum wip at geleky and etp at rudrasagar, assam asfor 7 years,custom bid for services - hiring of services for operation and maintenance of etp cum wip at borholla and khoraghat, jorhat asfor 7 years

Upgradation and modification of existing etp at dudhichua project, on turnkey basis with operation and maintenance for 5 years

Operation and maintenance of other machines and plants - providing of statutory staff ug mine mate at balaghat mine for the period of eleven months as per tender documents,operation and maintenance of other machines and plants - providing of statutory staff ug mine foreman at balaghat mine for the period of eleven months as per tender documents

Providing epc services on turnkey basis for the construction, e and c of etp of 250 kld including the first 2 years forming part of defect liability period and the following 5 years as paid operation and maintenances at igggh and pgi, puducherry.

Annual operation and maintenance of the ammonia compressor refrigeration plant for a period of two years (2026-28)

Custom bid for services - conducting epidemiological study within 5 km range of mine lease area of jayant project

Mine development and operation service- lumpsum based - under ground mining manganese ore,mine development and operation service- lumpsum based - under ground mining manganese ore,mine development and operation service- lumpsum based - open cast mining manganese ore

Mine development and operation service- lumpsum based - under ground mining manganese ore,mine development and operation service- lumpsum based - under ground mining manganese ore,mine development and operation service- lumpsum based - under ground mining manganese ore

Operation and maintenance of toilets (manpower plus necessary item) for a period of 02 years in m.c. bahadurgarh.