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Long distance trains with reversals at Churu and Sawai Madhopur seems highly unlikely to be started. Any train to cities like Mumbai can be more successful if started from Jaipur and passed through Sikar-Churu-Jodhpur/Bikaner route. Considering such trains would be weekly in nature, they would provide good amount of quota for Shekhawati passengers if started from Jaipur instead of Firozpur.
We may also see extension of some long distance existing trains from Jaipur to Sikar to reduce load on Jaipur, like it was done by shifting trains from Jaipur to Ajmer. e.g. BDTS-JP tri weekly superfast or JP-KYQ Kavi Guru Express. Let's wait for Railway's move on that.
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as the Sikar-Churu line becomes operational, we need 2 local trains a day between Churu and Sikar. Any such train acting as connecting train for Sikar-Loharu passenger service would be very helpful.
Sikar-Churu-Delhi Intercity departing Sikar in the morning and returning back to Sikar by night would be another good option.
Intercity/passenger trains connecting Sikar with Barmer, Jaisalmer, Sujangarh, Ramdevra, Bikaner, Sardarshahar, Dungargarh, Ratangarh would really be very helpful for the people of these areas who are solely dependent on roadways for their commute.