The 12309 / 12310 Rajendra Nagar Terminal - New Delhi Tejas Rajdhani Express is a Rajdhani class train of Indian Railways, that connects state capital of Bihar, Patna to the national capital of India, Delhi.

Quick Facts Rajendra Nagar Terminal - New Delhi Tejas Rajdhani Express, Overview ...

Rajendra Nagar Terminal - New Delhi Tejas Rajdhani Express
Overview
Service type	Tejas-Rajdhani Express
Locale	Bihar, Uttar Pradesh & Delhi
First service	1 September 1996; 27 years ago (1996-09-01)
Current operator(s)	East Central Railway
Route
Termini	Rajendra Nagar Terminal (RJPB) New Delhi (NDLS)
Stops	6
Distance travelled	1,001 km (622 mi)
Average journey time	12 hours 5min
Service frequency	Daily
Train number(s)	12309 / 12310
On-board services
Class(es)	AC 1st Class, AC 2 Tier, AC 3 Tier
Seating arrangements	Yes
Sleeping arrangements	Yes
Catering facilities	Available
Observation facilities	Large windows
Baggage facilities	Yes
Technical
Rolling stock	Tejas rakes
Track gauge	1,676 mm (5 ft 6 in)
Operating speed	130 km/h (81 mph)
Route map Legend 12309 ↓ Rajendra Nagar Terminal Patna Junction Bihar Uttar Pradesh border Pandit Deen Dayal Upadhyaya Junction Prayagraj Junction Kanpur Central Uttar Pradesh New Delhi 12310 ↑ New Delhi 12309 - Rajendra Nagar Terminal → New Delhi 12310 - New Delhi → Rajendra Nagar Terminal

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This Train was originally introduced in the Annual Railway Budget of 1996–97 as a daily Rajdhani Express from New Delhi to Patna via Lucknow. Later it was rerouted to run via Prayagraj. In 1997, the pantry car service was introduced.^[1]

On 1 September 2021, the train's LHB Rajdhani Rakes were replaced with LHB Tejas Sleeper Rakes.^[2]

It runs daily. It operates as train number 12309 from Rajendra Nagar (Patna) to New Delhi railway station and as train number 12310 in the reverse direction. It covers a distance of 1001 km in each direction, however it takes 12 hours 5 minutes when operating as train number 12310 at an average speed of 83 km/h (including halts). While on its return journey,the train takes 12 h 30 min at an average speed of 80 km/h (including halts) as train number 12309.

Initially, the train use to operate between New Delhi Railway Station and Patna Junction. However, with increase in passenger pressure over Patna Junction, Indian Railways decided to construct a new satellite station to Patna Junction, in order to accommodate the growing passenger pressure. Later on with the completion of the construction of the Rajendra Nagar Terminal railway station, the Rajdhani Express was terminated from Patna Junction to here.

It has 4 halts in either direction at Patna Junction, PT Deen Dayal Upadhaya Junction, Prayagraj Junction, and Kanpur Central. This is the only Rajdhani Express having ISO certification.