"Due to pre-planned maintenance work, Metro services will not be available from Sultanpur to Qutub Minar on the Yellow Line for going towards Samaypur Badli from 5:15 AM till 6 AM on 11th September, 2022, i.e, tomorrow (Sunday)," the Delhi Metro Rail Corporation (DMRC) tweeted. Yellow Line connects Samyapur Badli in Delhi to HUDA City Centre in Gurgaon.