Parts of North India was today rocked by mild tremors measuring 4.9 on Richter scale centered at Bahadurgarh in Haryana. The tremors were felt at around 1.10 pm in Uttar Pradesh, Himachal Pradesh, Rajasthan, Punjab and adjoining areas of Delhi. Reports of tremors are coming in from other parts of North India. No immediate report of any damage has been received so far.