law: Bankers Book Evidence Act, 1891
  4. Mode of proof of entries in Bankers' Books -
  Subject to the provisions of this Act, a certified copy of any entry in a Banker's book shall in all legal proceedings
  
  be received as prima facie evidence of the existence of such entry, and shall
  
  be admitted as evidence of the matters, transactions and accounts therein
  
  recorded in every case where, and to the same extent as, the original entry
  
  itself is now by law admissible, but not further or otherwise.
  Comments : Loan by Bank. In evidence, bank
  
  produced books of account, entries wherein were corroborated by Branch Manager
  
  and other bank officials - Held was sufficient proof of the loan transaction State
  
  Bank of India v. Yumnam Gouramani 
  
  Singh, AIR 1994 SUPREME COURT 1644