The present invention provides novel phenanthrylphenol linked pyrrolo [2,1-c][1,4] benzodiazepine hybrid of formula 6, useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo [2,1-c] [1,4]benzodiazepine hybrids of general formula 6. wherenis 1, 2, 3