Published by Licensee MARS Publishers. Copyright: © the author(s). This Article Is an Open Access Article Distributed under the Terms Andconditions of the Creative Commons Attribution (CC BY) License (https: creativecommons.org Licenses By 4.0 ).Highlighting the Sound Shift in Punjabi Language: A CorpusBased Descriptive Study. LinFo 2021, 3 (1), 1-5.