ye tu hona hi hai...
its natural...
hamara koi kasoor nahi hota...
books ke paper ke material main koi na koi aisa chemical hota hai ...
jis se student jab bhi book kholte hain
unko neend aajatai hai ...
shayad chloroform ho....
jitna mushkil subjecty utni ziada neend...
kuch tu hai???