I went to Delhi last weekand I travel in Delhi metro from chandani Chowk to secretiat.it was good travel I feel so good and happy. I can say it’s back bone of Delhi because many people are traveling in this train and reach there storey.it is full a/c train neet and clean.stations are clean .it impressed any person.computer called about station before reaching . doors are computerized that open and closed automatically. I reached my station secretiat. I come back to chandani chowk by metro.