SIBI: Repair of three towers of Guddu-Sibi-Quetta main transmission line has been undertaken by NTDC. According to details terrorists had blown up three towers of Guddu-Quetta main transmission line last week. On provision of security repair of these towers has begun by NTDC. It is hoped that it would be completed in some days. After destruction of three towers a massive load shedding was carried out in Balochistan.