Lignite, generally yellow to dark brown in colour, is regarded as brown coal. It is a major source for producing power and electricity.

| Tadkeshwar Lignite Mine | ||||
| Address | Post: Tadkeshwar, Tal.: Mandvi, Dist.: Surat(Gujarat)- 394170 | |||
| Agent | Mr. P. A. Mathur | |||
| Contact No. | 9727792726 | |||
| E-mail ID | pamathur@gmdcltd.co.in | |||
| Manager | Mr. R. R. Jee | |||
| Contact No. | 9099952442 | |||
| E-mail ID | rrkumar@gmdcltd.co.in | |||
| Lignite Quality Parameters | Constitute | Received Base analysis | ||
| Total Moisture (%) | 45 - 47 | |||
| Ash (%) | 13 - 15 | |||
| Volatile Matter (%) | 35 - 39 | |||
| Fixed Carbon (%) | 25 - 27 | |||
| Calorific Value (Kcal / Kg) | 4000 - 4300 | |||
| Sector-wise Lignite Users | Textile, Power, Ceramics, Bricks, Chemical, Paint & Dying, Fertilizers & Paper & Paper Board | |||