To assist candidates appearing for the UPSC civil services prelims on June 16, the Noida-Greater Noida Metro will start operations at 6 am instead of the usual 8 am on Sundays, announced NMRC officials. This change aims to help candidates reach their exam centers on time. The Delhi Metro will also begin services at 6 am on its Phase III sections. The UPSC exam begins at 9 am and 2 pm with strict entry deadlines.