Center gives green signal to the expansion of Noida Metro, new corridor will be built from Sector-51 to Greater Noida Sector-4 November 12, 2026 by Samira Vishwas Center gives green signal to the expansion of Noida Metro, new corridor will be built from Sector-51 to Greater Noida Sector-4 – Read Home State Delhi/NCR Center gives green signal to the expansion of Noida Metro, new corridor will be built from Sector-51 to Greater Noida Sector-4