Tamil Nadu Electricity Board [TNEB] — heavy voltage fluctuation every minute 24/7

Address:

Sai Krishna Flat's, Corporation School Road, Valluvar Kottam Area, Nungabakkam, Chennai 600034, Chennai, Tamil Nadu

On connection no.[protected] in corporation school road, valluvar kottam, (Transformer in our own flats), there is violent voltage fluctuation in every evenings & during every night for the past 15+ days. I even informed our a. E. Mahslingapuram mr. Marimuthu ([protected]) about 10 days ago. He promised of immediate action but no action has been taken. We are worried that this violent voltage fluctuation would damage our equipment|s.