Whether CBI court was right in conviction u/s 420,467,468.471,120-B

A supplier brought 25 packings goods against 100 billed qty which was noted in register by CISF by his own maruti car and took excess payment of 75 packings ( all packings are identical in wt & size).CBI charge sheeted based on entries in Register.Despite pointing even 25 packings cannot be accomodated in the maruti car but only in a truck .No contrary evidence provided by the prosecution in court which convicted all accused since the entries in the Register becomes automatically fabricated.