This invention particularly relates to novel pyridylmethylsulfinyl benzimidazole represented by the general formula (I), its tautomers, its derivatives, its analogs, its stereoisomers, its polymorphs, its pharmaceutically acceptable salts, its pharmaceutically acceptable solvates and pharmaceutical compositions containing them and the use thereof. ##STR1## The present invention also relates to a process for the preparation of the above said novel pyridylmethylsulfinyl benzimidazoles and pharmaceutical compositions containing them.