Estimation of total hardness of water by rapid EDTA method (SVIT, SAVI, VTU)

[@prasannakumar6032]

Thank you so much sir... super confidence.

[@sudarshan959]

Excellent explanation sir thanks🙏🏻

[@savi3925]

So nice of you

[@shreyasm4046]

Thank u sir

[@mohammedyounus7779]

Nice