held that the plaintiff has p u rchased these medicines accor d ing to the rates as stated in th e bills and it is also establishe d on record and admitted by the r espondents that the medicines w ere purchased. It is also observ e d by the learned trial court that the respondents-defendants hav e not been able to show that a s to how they have reduced the rates and amount of the bills d uly proved, by the appellant-pl a intiff. The learned trial court has not calculated the amount o f item from serial No.1 to se r ial No.8 shown in Ex.P9 which c omes to Rs.3,20,019/-. It has taken the amount as Rs.2,78,339 / -. There is a clerical mistak e in calculating this amount. Th e actual amount for these items for purchase of medicines is sh o wn in the bills Ex.P10 to Ex. P 15, Ex.P17, Ex.P22 to Ex.P26 and the bills proved by PW2 are Ex.P18, Ex.P29, Ex.P31, E x.P33, Ex.P35, Ex.P37, Ex. P 39, Ex.P41, Ex.P43, Ex.P45, E x.P47, Ex.P49, Ex.P51, Ex. P 53, Ex.P55, Ex P57, Ex.P59, E x .P61 and Ex.P63. These bills have been authenticated by the hospital vide documents Ex. P 19, Ex.P20, Ex.P32, Ex.P34, E x.P28, Ex. P36, Ex.P38, Ex. P 40, Ex.P42, Ex.P44 Ex.P48, E x.P50, Ex.P52, Ex.P54, Ex. P 56, Ex.P58, Ex.P62 and Ex.P6 4 . Similarly, PW 3 Gardyal M e hta Manager, Ram Saran Da s s Koshori Lal Charitable T r ust Hospital Amritsar has prov e d the receipts and bills Ex.P6 6 to