'C' advances to 'B', ` 2,00,000 on the guarantee of 'A'. 'C' has also taken a further security for the same borrowing by mortgage of B's furniture worth ` 2,00,000 without knowledge of 'A'. C' cancels the mortgage. After 6 months 'B' becomes insolvent and 'C' 'sues ‘A’ his guarantee. Decide the liability of 'A' if the market value of furniture is worth ` 80,000, under the Indian Contract Act, 1872.

Surety’s right to benefit of creditor’s securities: According to section 141 of the Indian Contract Act, 1872, a surety is entitled to the benefit of every security which the creditor has against the principal debtor at the time when the contract of suretyship is entered into, whether the surety knows of the existence of such security or not; and, if the creditor loses, or, without the consent of the surety, parts with such security, the surety is discharged to the extent of the value of the security. In the instant case, C advances to B, ` 2,00,000 rupees on the guarantee of A. C has also taken a further security for ` 2,00,000 by mortgage of B’s furniture without knowledge of A. C cancels the mortgage. B becomes insolvent, and C sues A on his guarantee. A is discharged from liability to the amount of the value of the furniture i.e. ` 80,000 and will remain liable for balance ` 1,20,000.