According to NDTV, mild tremors were felt in Delhi and its neighbouring areas after a 6.3 magnitude earthquake struck North West of Lahore, on Tuesday afternoon. 

The Tribune

The epicentre of the earthquake, measuring 6.3 on the Richter Scale, is said to be somewhere in Pakistan-occupied Kashmir (POK).

The Statesman

Before we could actually notice the earthquake, Twitter was already abuzz.  

While no loss of life & property has been reported in India, a few Pakistani provinces have reported damage. 

Further reports are awaited.