The new "Mask Tool'' in Premiere-26 doesn't add keyframes even after changing the path. What if the "tracker" fails at few points. How to adjust them manually?

Masking has been updated with 26.0. Clip and Frame modes have been introduced. You would want Frame mode for your desired workflow. More information can be found here: https://helpx.adobe.com/premiere/desktop/add-video-effects/create-masks-and-composites/adjust-masks-at-the-clip-or-frame-level.html

​@Ravali123 this is the Photoshop forum, you’d be better off asking on the Premiere Pro forum