It is a matter of great satisfaction that the volume 47 (2022) of our esteemed journal “the Indian Journal of Cryogenics” (IJC) is out. In all, this issue has 27 papers under different categories. As per the policy of the journal, the papers were accepted for publication on the basis of the positive review reports by at least two of our referees on journal's panel. In the event of conflicting reports, the editorial board takes a final decision. We consistently follow this policy to maintain the standard of IJC. These papers have been selected out of a total of 167 papers presented at the 28th National Symposium on Cryogenics and Superconductivity (NSCS-28) through our screening and review process. We regret the delay in bringing out this issue, caused by the worst pandemic of the century, COVID-19 which brought the whole world to a halt. So was the fate of our National Symposium (NSCS-28) which suffered postponement more than once. The symposium was ultimately organized jointly by the Indian Cryogenic Council and the Indian Institute of Technology, Kharagpur at IIT. Kharagpur during October 18-21, 2022.

The journal owes its timely publication year after year much to our distinguished reviewers who, in spite of their tight schedule, spare time and burn extra oil to carry out the job. I thank all the reviewers profusely. As per the policy of the ICC and the journal we encourage our young researchers to publish papers with IJC and many of them happen to be first timers. We are constantly pursuing with UGC for the restoration of the UGC approval of our journal and its inclusion in the list of UGC approved Journals.

In all, 300 scientists & engineers including a number of scientists from prestigious research centres abroad attended the symposium. A total of 167 oral and poster papers were presented at the Symposium. The papers covered a wide range of topics such as; cryocoolers, space cryogenics, cryogenic refrigeration, superconductivity, heat transfer,cryogenics and superconductivity for particle accelerators, tokamaks, cryogenic materials, Liquid hydrogen, MRI and liquefied natural gas (LNG).

The inaugural talk “Cryogenics for Indian Space Programme” was delivered by Dr. S Somanath, Chairman, Indian Space Research Organisation (ISRO). Other plenary talks by distinguished speakers were on Indian Superconducting Tokamak, European Spallation Source, Advanced HTS Characterization technique and on the Development of Indian MRI. We are planning to have review articles on these topics and publish them in the successive issues.

I would like to extend my sincere thanks to my colleagues in the IJC Editorial Board for their continued guidance. My special thanks to Prof. Milind Atrey, President (ICC), Dr. Soumen Kar, Secretary Technical), ICC and Ms. Tania, Secretarial Assistant (ICC) for their support in publishing this volume. I also thank veteran Dr. R G Sharma and Dr R K Bhandari for their guidance and advice on critical decisions. Finally, I thank the entire readership of the journal and the contributors who opt for IJC to publish their work.

The Editorial Board would like to place on record its gratitude to SERB (DST) for its support to the publication of IJC.