Paaki put her hand over the fire to purposely get rags attention and sympathy which she has mistakenly taken for love!!
when Kalpi's sindoor fell she tried to take up every last bit from the floor!! She was devastated because she believe in the sindoor that was placed on her head by rags! It is their bond!!
Paaki threw sindoor on the floor! Sindoor has no meaning to her!!
With every move Paaki makes to separate ragna, they end up coming closer to eachother because the bond of love is pure and genuine!
Paaki will only experience pain in the long run!! And ragna will become closer and closer!