JAMMU, Jan. 30 -- Due to operational reasons in Jammu Division of Northern Railway, cancellation of 20 trains has been extended till May 31 and June 1 this year, said officials on Thursday. The operation of some trains will be resumed, while the cancellation, short termination, and short origination periods of other trains have been extended, they added. "Four long-distance trains, including two Vande Bharat Express services operating between New Delhi and Shri Mata Vaishno Devi (SMVD) Katra, will resume operations in April," said an official spokesperson. Besides, 14 trains in the Jammu division will continue to operate with short termination or short origination due to operational reasons, he added. The trains scheduled for restoration from April 2 include the Vande Bharat Express services running between New Delhi and SMVD Katra in both directions, he said. Similarly, the service between Bhagat Ki Kothi railway station in Rajasthan and Jammu Tawi railway station will resume on April 1, with the return service beginning the following day. The extended cancellations include long-distance services such as Garib Rath, Duronto, Humsafar, Janmabhoomi Express and select Vande Bharat, mail and superfast trains. The revised dates these services range between late May and early June, the statement said. Railway authorities have also extended the period of short termination and short origination for multiple trains, including Jammu Mail, Durg-MCTM Express, Kota-MCTM Weekly Express and Ahmedabad-SMVD Katra services....