The underground Central Secretariat – Qutab Minar Metro corridor of Delhi Metro opened for commuters recently. The 12.53km long corridor is a part of Central Secratariat (CTST) – HUDA City Centre (Gurgaon) Metro corridor. It directly links the city with Gurgaon – another satellite town of the National Capital Region (NCR) after NOIDA in Uttar Pradesh. It has 11 metro ...