GUWAHATI, May 19?The prestigious Rajdhani Express from Guwahati to New Delhi has been be made a daily service following increase in the frequency from Guwahati to New Delhi via Patna from three days a week to five days a week and Guwahati-Dibrugarh town link Rajdhani Express from two days to three days a week. An NF Railway press release said the Guwahati-New Delhi Rajdhani Express has been provided an additional stoppage at Allahabad with effect from May 25. The Express from Dibrugarh via Guwahati will run on Saturday, Sunday and Monday even as the train leaving Dibrugarh on Saturday and Sunday will travel via Patna.