FINALLY I GOT THE SOLUTION OF THIS.
THE MAIN PROBLEM IS THAT RECENT WINDOWS May 25, 2021—KB5003214 (OS Builds 19041.1023, 19042.1023, and 19043.1023) Preview UPDATE.
THIS UPDATE IS CAUSING THAT ISSUE. IF ANYONE REMOVED THE NEWS AND INTEREST OPTION FROM TASKBAR THEN THERE IS SAME GLITCH HAPPENING.
HOPE MICROSOFT WILL FIX THIS ISSUE IN NEXT UPDATE TILL THEN I AM PLACING THE NEWS ICON MY TASKBAR.