Nellai Express

{{short description|Train between Chennai Egmore and Tirunelveli}}

{{Use dmy dates|date=January 2016}}

{{Use Indian English|date=January 2016}}

{{More citations needed|date=March 2011}}

{{Infobox rail service

| box_width = 27em

| color=00ced1

|name = Nellai Express

| logo =

| logo_width =

| image = NELLAI EXPRESS TB.jpg

| image_width = 300px

| caption = Nellai Express at Chennai Egmore Railway Station

| type = Superfast

| status = Active

| locale = Tamil Nadu

| predecessor =

| first = {{Start date and age|df=yes|1972|06|13}}

| last =

| successor =

| operator = Southern Railway zone

| formeroperator = Indian Railways

| website =

| start = {{stnlnk|Chennai Egmore}} (MS)

| stops = 12

| end = {{stnlnk|Tirunelveli Junction}} (TEN)

| distance = {{convert|650|km|abbr=on}}

| journeytime = 10 hours, 20 minutes

| frequency = Daily

| trainnumber =

• 12631 (Down)
• 12632 (Up)

| line_used =

• MS ➡ TPJ : Chord Line
• TPJ ➡ TEN : Main Line ( Tiruchchirappalli - Thiruvananthapuram Central Line)

| class =

• 1 1st A/C cum 2nd A/C II Tire (HA)
• 2 2A/C II Tire (A)
• 5 3rd A/C III Tire (B)
• 9 Sleeper (SL)
• 4 Unreserved
• 2 EOG

| access = {{Access icon|20px}}

| seating = Yes

| sleeping = Yes

| autorack = No

| catering = On-board catering
E-catering

| observation = Large windows in all carriages

| entertainment = No

| baggage = Overhead racks

| otherfacilities = CCTV Cameras in all coaches

| stock = WAP-7 locomotive from (RPM) Electric Loco Shed, Royapuram

| gauge = {{track gauge|1676mm}}

| el = 25 kV AC, 50 Hz

| speed = {{convert|70.5|km/h}}

|trainlength=22 coaches

| owners = Southern Railway zone

| routenumber = 21/21A

| maintenance = {{stnlnk|Tirunelveli Junction}}

| sharing =Pothigai Superfast Express

| map = 250px

| map_state =

}}

Nellai Express is a Superfast train operated by the Southern Railway zone of the Indian Railways. It runs on all days connecting {{stnlnk|Chennai Egmore}} with {{stnlnk|Tirunelveli Junction}} via Villupuram Junction, Tiruchirappalli Junction and Madurai Junction through the chord line.