Setting Specification of Known, Unknown and Total Impurity for Release and Shelf Life 

Great informative video and explained very excellent each and every point on the topic. Thank you very much sir.

Thanks a lot for this video, I was confused with the Specified and unspecified impurities; now its clear.

Important for all

Thank you for your efforts, Kindly also make the video on QBD in different Formulation especially Sterile Injectables, thanks

I want to say thanks to you for providing such a very useful information and updating our knowledge on above topic.one more request to you please make this type of informative video on dissolution also......thanks in advance