The Supreme Court observed that the burden of establishing the plea of alibi on accused is heavy.The plea of alibi in fact is required to be proved with certainty so as to completely exclude the possibility of the presence of the accused at the place of occurrence, the bench comprising Justices Sanjay Kishan Kaul and MM Sundresh noted.Pappu Tiwari, Sanjay Ram, Uday Pal, Ajay Pal, Pintu Tiwari...