documents from the newly added director is a clear variance of the original contract under section 133 of the Contract Act and, therefore, results in the discharge of the director who had resigned. It was accepted that under section 62 of the Contract Act if the parties to the contract agree to substitute a new contract, the original contract need not be performed. It was also accepted that novation of debt operates as a complete release of the original debtor. In that case, also the Bank had contended that there was a continuing guarantee executed by the director who had resigned and therefore, he continues to be liable for the debt as a guarantor, till the debt is cleared. The learned counsel also relies on the judgment to impress upon this Tribunal that the Bank had failed to protect the hypothetical goods when the company had gone into liquidation which shows the lapse or negligence on the part of the creditor in preserving the security and, therefore, the remedy of the surety himself against the principal director is thereby impaired and the sureties get discharged as provided under section 139 and 141 of the Contract Act. Mr Pandit draws the attention of this Tribunal to the decision of the Karnataka High Court wherein the Bank had challenged the aforesaid order of the DRAT in Writ Petition No. 9590/2006, wherein it was held that on the resignation of one of the directors of the company and substituting another person as a director, he steps into the shoes of the earlier director in the company and also substitutes him vis-à-vis the liabilities of that director. It was further observed that if the retired director's guarantees were to continue despite his resignation from the company, then, in that case, there was no necessity to obtain a fresh guarantee from the director