Kerala Governor Sheila Dikshit Tuesday declined to comment on speculation that the union government has asked her to quit."I can't react to rumours," Dikshit told the media here on the sidelines of a function.Dikshit, the previous chief minister of Delhi, was appointed Kerala governor in March.According to media reports, governors appointed by the erstwhile Congress-led government have been asked to resign by the Bharatiya Janata Party-led government at the centre.