Days after Punjab Chief Minister Parkash Singh Badal describes SAD-BJP relation as that of husband and wife, Union Finance Minister and senior BJP leader Arun Jaitley on Tuesday said that SAD-BJP alliance was not merely a political alliance but actually a social alliance.“The SAD-BJP alliance is not merely a political alliance but actually a social alliance aimed at strengthening the bonds of peace, communal harmony, amity and brotherhood in the State,” he said during his visit to the holy city on Tuesday.