A structurally modified lignite composition with or without having functionally enhanced organic molecules extracted there-from, said functionally enhanced organic molecules having enhanced or reduced number of one or more of functional groups selected from a group comprising of carbonyl, carboxyl, amidic, ester, phenolic, alcoholic, ketone and aldehyde groups and having molecular weight selected from a group comprising of (i) below 500, (ii) between 500 and 1000, (iii) between 1000 and 5000, (iv) equal to or greater than 5000 and (v) a combination of utmost of any of the three of (i), (ii), (iii) and (iv) thereof.