CPC- Sec 34 Clariant International Ltd. v. Securities & Exchange Board of India, (2004) 8 SCC 524 the interest can be awarded in terms of an agreement or statutory provisions and it can also be awarded by reason of usage or trade having the force of law or on equitable considerations but the same cannot be awarded by way of damages except in cases where money due is wrongfully withheld and there are equitable grounds therefor, for which a written demand is mandatory. It was further held that in absence of any agreement or statutory provision or a mercantile usage, interest payable can be only at the market rate and such interest is payable upon establishment of totality of circumstances justifying exercise of such equitable jurisdiction. It was also held that in ascertaining the rate of interest the courts of law can take judicial notice of both inflation as also fall in bank rate of interest. The bank rate of interest both for commercial purposes and other purposes has been the subject-matter of statutory provisions as also the judge-made laws