Question

Which railway system has been developed in Delhi that runs on elevated tracks as well as on tracks laid underground???? Please give me answer ​

Answer 1

Answer:

Explanation:the underground railway system is metro system but dont know the second one i only know this that The 12.53km line extension from Central Secretariat to Qutab Minar opened in September 2010. “Lines 2 and 3 pass through the city centre and business district at Connaught Place, served by Rajiv Chowk station.”