Mostly, an A/C train to Delhi (Rajdhani or Shri Shakti) and may be weekly A/C trains to Howrah or Bombay, along with some DEMU trains to Jammu.
Non-A/C coaches (with open windows) cannot be operated on the Baramulla line during winters. The DEMUs currently running there have heating arrangements within the coaches, which are not present in any of the regular rolling stock in the rest of the country.
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So, most of the regular trains terminating at SVDK or Jammu like Andaman, Himsagar, USK etc will most probably not be extended.
The traffic capacity on the line is also not high enough to accommodate all the trains currently terminating at SVDK, so it is likely that we will not see too many trains on the route.