Howrah–New_Delhi_Rajdhani_Express_(via_Patna)
The 12305 / 12306 Howrah–New Delhi Rajdhani Express is a Rajdhani class train belonging to Eastern Railway zone that runs between Howrah Junction and New Delhi in India via Patna Junction. It is currently being operated with 12305/12306 train numbers on a weekly basis.[1][2][3][4][5] It is widely regarded as one of the most premium trains on the Indian Railway network and is given the highest priority in terms of clearance. [6] It is the fastest train on the Howrah-Delhi main line.