its clear that in the name of justice Sultaan was actually revenging RK for his never spoken so called love for madhu...
and What a shame!!..we can't name it love..it will be disgracefull...he never ever mentioned about his feelings to madhu before her legal marraige or before the declairation of Madhu being the wife of his step brother...
n now all of a sudden he is telling her all this...eeks!!
the thought of eloping with his brothers wife...chi...chi...
trying to prove him innocent after this shamefull sin is the lame and disgracefull manner ever...