Markandey Katju, C.J.

These writ appeals have been filed against the common judgment of the learned single Judge dated 23.4.99.

2. Since common questions of law are involved we are disposing of these writ appeals by a common judgment.

3. We have heard Mr.V.R.Reddy, learned Senior Advocate for the appellants and Mr.R.Krishnamoorthy, Mr.G.Masilamani, Mr.T.R.Rajagopalan, Mr.K.Alagiriswami, Mr.Vijay Narayan, learned Senior Advocates for the respondent-units and Mr.V.Raghupathi, learned Government Pleader.

4. The short question in this batch of appeals is whether the respondent-units are entitled to get the tariff concession in electricity supply under the proviso to High Tension Tariff I(a) of the Notification of the Government of Tamil Nadu Energy Department dated 14.2.97.

5. In this batch of cases we shall not discuss the individual facts of each of the respondent’s cases as they are different in each case. We are only laying down the principle of law as to eligibility of tariff concession, but each of the respondents will have to approach the Tamil Nadu Electiricty Board and satisfy it that it is eligible to the tariff concession on the principle of law we are laying down,