( 1 ) TWO questions arise in this batch of writ petitions filed by Grindwell Norton Ltd. , Tirupati, a Public Limited Company, having its factory at Karkambadi village of Chandragiri Taluk, in Chittoor District. They are :i) what are the minimum charges payable by the petitioner under the agreement entered into by it with the respondent-Electricity Board? andii) whether the petitioner is relieved of the obligation to pay the minimum charges on account of the interruptions in, and irregular voltage of the power supplied?these questions have to be answered with reference to the terms and conditions of the agreement entered into between the petitioner and the Electricity Board, and the relevant terms and conditions of supply which, indeed, constitute terms of agreement between the parties.

( 2 ) I. Factual Matrix : on 1-10-1977 the petitioner applied to the Electricity Board requesting it to confirm that the Board will be able to meet the petitioner s power requirements, and to issue a letter in that behalf so as to enable the petitioner to apply for the letter of intent. The petitioner stated in its application that it is having plants in Bombay and Bangalore manufac