1. 1992 Dar Al Taqniya (DAT) supported DuPont in their pre-commissioning activities of the new RO plant using STP secondary effluent as feed at the Madras Refinery Plant.
2. 1993 – 1995 Dar Al Taqniya, as process specialist, advised Hindustan Door Oliver on the startup and operation of Madras Petroleum Refinery Desalination Plant.
3. 1996 – 1999 DAT was appointed primary engineering consultant to BHEL for providing complete basic engineering, process design, erection & commissioning supervisory support for construction of several sea water and brackish water pants through out the Ramnad region in Tamil Nadu. The plants are located in the following areas :
1. Rameshwaram – 450 m³/d ( 300 m³/ 16 hrs) SWRO Plant
2. Pottagavayal – 450 m³/d ( 300 m³/ 16 hrs) HBRO Plant
3. Naripaiyur – 3875 m³/d capacity SWRO Plant
4. Panaikulam - – 450 m³/d ( 300 m³/ 16 hrs) HBRO Plant
5. Kusawankudi– 450 m³/d ( 300 m³/ 16 hrs) SWRO Plant
4. 2001 – DAT participated with Amiantit in conducting pre feasibility studies for three major pipeline projects.
5. 2003 – 2005 DAT – Water and Environment Services Company (WESCO) submitted proposals for the following:
1. Karnataka – 165 self contained skid units for fluoride removal and desalination. Pilot test successfully completed final review by government agency in progress.
2. Andhra Pradesh – 320 self contained skid units for fluoride removal and desalination. Pilot test successfully completed final review by government agency in progress.
3. Chattisgarh – New Raipur City submitted a proposal for 10,000 m3/day water treatment system using membrane filtration to treat highly contaminated river water for portable use.
4. Tamil Nadu – Chennai Special export zone (SEZ) conducted complete preliminary and feasibility studies and proposed Build Own Operate (BOO) project of 20,000 m3/day sea water RO.
5. Andhra Pradesh – Kagaznagar reviewed and prepared initial studies for recycling polluted effluent from paper industries.
6. Andhra Pradesh – Patencheru reviewed waste water treatment process and proposed recycling technology to maximize water reuse.
7. Maharashtra – submitted engineering consultancy proposals for execution of major sea water desalination projects to a leading infrastructure company of India.
8. Goa – Panjim prepared a detailed proposal for use of Panjim river water. Also provided to the same customer turn key consultancy proposal for the above project.
9. Kerala - supported BHEL by providing complete technical and engineering input to bid for the complex KMML 10,000 m3/day sea water plant.
10. Electrochlorination units- submitted a proposal for the complete electrochlorination system package for Indian Oil Corporation Limited, Assam, India.
11. Tata Steel : Pre-qualified and submitted a proposal for 35 MGD seawater desalination plant BOO project for Tata Steel in Tamil Nadu, India
6. 2005 (Tamil Nadu – Panaikulam) Provided complete engineering, process and procurement services as well as expert supervision for installation and commissioning of a 500m3/day SWRO Plant to South Ganga Water Technology Pvt. Ltd. to meet power plant requirement.
7. 2004 – 2005 : Bushnak Group opened an office in Mumbai, India under name of Bushnak-India with the following contact information:
• WATER & ENVIRONMENT SERVICES CO PVT LTD.
• 1, JAGIR APARTMENTS, 3 A TURNER ROAD,
• BANDRA, MUMBAI 400050. INDIA
• TELE: 91 22 26424000 / 26425060
• FAX : 91 22 26511659
• MOBILE: 91 9820322953
• Attn : Mr. Zubair Jagirdar
8. 2005 (Pondicherry – Karaikal) completed feasibility studies, site selection, due diligence, process selection to install Bushnak – Pallava Water Services Pvt. Ltd. 5000 m3/day BOO plant.
9. 2005 Joint venture (JV) MOU between Bushnak and Pallava completed.
10. 2005 – 2006 : Water & Environmental Services Co, a part of Bushnak Group of companies, along with PWT Wasser- und Abwassertechnik GmbH and Pacific Technical Services India (P) Ltd. bagged a prestigious order from Ambur Economic Development Organization Ltd, Chennai, Tamil Nadu (AEDOL) for detailed design, supply, erection and operation of a Pilot plant for treating and recycling of leather tannery effluent using state of the art technology MBR and RO.

Water & Environmental Services Co, a part of Bushnak Group of companies, along with PWT Wasser- und Abwassertechnik GmbH and Pacific Technical Services India (P) Ltd submitted a proposal for Central Leather Research Institute 600 m ³/d for treating and recycling of leather tannery effluent.