Southern Railway announced on Tuesday the extension of several special train services, with revised schedules and additional trips. This includes two services operating through Kerala. The details are as follows:

1. Kochuveli - Shalimar Weekly Special (Train No. 06081)
   - Extension Period: From September 20 to November 29
   - Day of Operation: Fridays
   - Number of Trips: 11

2. Shalimar - Kochuveli Weekly Special (Train No. 06082) 
   - Extension Period: From September 23 to December 2 
   - Day of Operation: Mondays
   - Number of Trips: 11

3. Tirunelveli - Shalimar Weekly Special (Train No. 06087) 
   - Extension Period: From September 12  to November 28 
   - Day of Operation: Thursdays
   - Number of Trips: 12

4. Shalimar - Tirunelveli Weekly Special (Train No. 06088)
   - Extension Period: From September 14 to November 30 
   - Day of Operation: Saturdays
   - Number of Trips: 12

5. Coimbatore - Barauni Weekly Special (Train No. 06059) 
   - Extension Period: From September 10 to November 26 
   - Day of Operation: Tuesdays
   - Number of Trips: 12

6. Barauni - Coimbatore Weekly Special (Train No. 06060) 
   - Extension Period: From September 13 to November 29 
   - Day of Operation: Fridays
   - Number of Trips: 12

7. Coimbatore - Dhanbad Weekly Special (Train No. 06063)  
   - Extension Period: From September 16 to November 29 
   - Day of Operation: Fridays
   - Number of Trips: 12

8. Dhanbad - Coimbatore Weekly Special (Train No. 06064)
   - Extension Period: From September 30 to December 2 
   - Day of Operation: Mondays
   - Number of Trips: 12

9. Ernakulam - Patna Weekly Special (Train No. 06085) 
   - Extension Period: From September 13 to November 29
   - Day of Operation: Fridays
   - Number of Trips: 12

10. Patna - Ernakulam Weekly Special (Train No. 06086) 
    - Extension Period: From September 16 to December 2 
    - Day of Operation: Mondays
    - Number of Trips: 12

11. Coimbatore - Bhagat Ki Kothi Weekly Special (Train No. 06181) 
    - Extension Period: From October 3 to November 28 
    - Day of Operation: Thursdays
    - Number of Trips: 9

12. Bhagat Ki Kothi - Coimbatore Weekly Special (Train No. 06182) 
    - Extension Period: From October 6 to December 1 
    - Day of Operation: Sundays
    - Number of Trips: 9

Revised Timings for Select Trains:
- Barauni - Coimbatore Weekly Special (Train No. 06060)  and Dhanbad - Coimbatore Weekly Special (Train No. 06064) at Jolarpettai Station have updated timings. 

The revised schedule is as follows:
  - Existing Timings: 10:00/10:02 pm
  - Revised Timings: 9:55/10:05 pm

Advance reservations for these special trains are now open. For more information, passengers are advised to visit the Southern Railway's official website.