Question

Aisi kaun si chiz h jo Subah dekho to hari, dupahar mein dekho to kaali, shaam ko dekho to neeli Aur raat ko dekho to safed hoti h.

Answer 1

iska uttar hai: GOBAR 

Morning me fresh hone par = green 
Dupahar tak sukh kar kanda banne par = black 
Sham ko jalane par = blue flame 
Aur raat ko jal jane ke baad = white ash

Answer 2

gobar is right answer

i hope it's helpful to you