Operation and maintenance of stp plants at chtp, sltp, gtni, ajg, hcc metro station and sultanpur depot and etp plant at sultanpur depot and wtp at sultanpur depot and gurugram staff quarter in line-2 south(for 3 years).

World bank and adb financed amaravati capital city development program related survey, investigation, design, construction of balance works, testing, commissioning of water supply, including headworks (intake well, approach bridge, raw water pumping main, water treatment plant, clear water reservoir, clear water pump house (civil works) and other ancillary works) and 7 years om (intake to wtp) on design, build and operate (dbo) basis in amaravati capital city of andhra pradesh state, india (package xxxxiii)

Canal water based water supply project for construction of 2.0 mld water treatment plant and other related works including 5 years operation and maintenance part 2 at ghanaur district patiala punjab under amrut 2.0 scheme

Canal water based water supply project for construction of 1.50 mld water treatment plant and other related works including operationa and maintenance for a period of 5 years (part-2) at fatehgarh panjtur town, distt. moga, punjab under amrut 2.0

Augmentation and rehabilitation of water supply scheme canal water based water supply project for const. of 10 mld wtp and other related works including 5 years operation and maintenance at mukerian distt. hsp. punjab part-2 under amrut 2.0 scheme

Design, construction, supply, erection, testing and commissioning of tertiary treatment by sand and carbon filter system for 2 mld capacity stp at patto including comprehensive o and m for 3 years

Design, construction, supply, erection, testing and commissioning of tertiary treatment by disc filter system for 5.6 mld capacity stp at baga including comprehensive o and m for 3 years

Canal water based water supply project for construction of 5.0 mld water treatment plant wtp and other related works including 5 years operation and maintenance part-2 at dirba, district sangrur, punjab under amrut 2.0 scheme

Operation and maintenance of30mld,13 mld sewage treatment plant at idgah, katai and pumping station at ajay nagar, brahman ali, taware compound and installation of tertiary treatment plant from own expenses for the period of five years

Establishment of 3 mld desalination plant based on sea water reverse osmosis at v.o.chidambaranar port and operation and maintenance for 5 years on dbo mode