would contend that the promissory note executed by the defendant is a blank promissory note. Secondly, it is contended that the plaintiff has materially altered the said document. Thus, there is no dispute regarding signature of the defendant in the promissory note. It is well established that though the defendant has given the blank promissory note, he cannot be escaped from his liability to pay the amount having regard to Section 20 of the Negotiable Instruments Act, 1881. The other contention that the document was materially altered, has been considered by both the Courts below in detail. The Courts below have held that there is no material alteration. The trial Court has observed that irrelevant words have been struck out in Ex.P.1 by inserting appropriate words. Ex.P.1 must have been printed in the year 2001. The document was executed on 25.7.2005. That is why, irrelevant words have been struck out. It is clear that there is no material alteration in