Coal mine water reclamation process developed at NML has three modules arranged sequentially, It separates suspended particulate matters using appropriate flocculants, negotiates dissolved contaminants including heavy metal ions with a nanometric aqueous suspension developed that kills harmful micro-organisms through ozonation, The finished product is suitable for the purpose of drinking, the plant developed to perform on Continuous mode @ 4000-5000 LPH that can operate for 20 hours per day.