| M/s. ENGINEERS INDIA LIMITED |
| PED CERTIFICATE NO. 97/23/EC CERT. NO. 04 202 2 440 04 10021 |
| MERKBLATT WO CERTIFICATE NO. 04 202 W130 04 00014 |
| PETROLUEM DEVELOPMENT OF OMAN LLC |
| M/s. T.U.V NORD ISO-9001-2000, NO. 44 100 011839-E3 |
| M/s. TATA CONSULTING ENGINEERS |
| M/s. A. FOUR ASSOCIATES |
| M/s. INDIAN BOILER REGULATION |
| M/s. NUCLEAR POWER CORPORATION INDIA LIMITED |
| M/s. TECHNICAL DEVELOPMENT COMMITTEE |
| M/s. UHDE (INDIA) LIMITED |
| M/s. TOYO ENGINEERING INDIA LIMITED |
| M/s. KVAERNER POWERGAS INDIA LIMITED |
| M/s. JACOBS H & G LIMITED |
| M/s. PROJECTS DEVELOPMENT INDIA LIMITED |
| M/s. TATA PROJECTS LIMITED |
| M/s. ENGINEERS INDIA LIMITED |