( 1 ) THE petitioner in Writ petition No. 16587 of 1990 is a Public limited Company registered under the companies Act, 1956 and it had setup among other things a Cement Plant at Macherla in guntur District. The petitioner questions the legality and validity of levy and collection of Rs. 18 lakhs towards service line charges and Rs. 20,000/- towards service connection charges for releasing an additional load of 3000 KVA. The petitioner also questions the legality and validity of BPMS No. 1160 (Commercial), dated 3-11-1989 and also the mode of computation of service line charges as illegal and ultra vires of the provisions of the Indian Electricity Act, 1910.

( 2 ) THE brief facts leading to the filing of the writ petition are as under: The petitioner-Company entered into an agreement with the 1st respondent-Board and is availing electricity supply for its cement Plant at Macherla classified as High tension (HT) consumer. The petitioner was initially availing supply at a voltage of 11 kv. The 1st respondent-Board issued BPMS no. 607, dated 21-7-1981 whereunder the consumers availing HT supply were required to change over to the stipulated voltages depending on thei