Re: Law of conservation of knowledge:
nahi aysi bat nahi hai ,, yay lecturar par depend karta hai ,, agar wo kam ki bat sahi tarhan batae ga tou zaroor knowledge main azafa hu ga meray bhai ... aur usman bhai app nay email ka reply nahi kiya ,, jaldi jaldi reply karain ,, main us din ka waiting par hun k app nay meri post delete kiyun ki ,,
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