Tremors were also reported in Pakistan and Oman.
The epicentre of the powerful quake has been located to Khash in Iran.
Tremors shook the national capital and its adjoining satellite towns Tuesday afternoon, MeT officials said.
There was no immediate report of any loss of life or damage to property, they said.
The tremors, which were felt at around 1615 hours, lasted a few seconds.
Soon after the quake, people rushed out of high rises.
Tremors were also felt in Gurgaon.
More details soon.
With inputs from PTI