An earthquake of intensity measuring 5.6 on the Ritcher scale struck Assam on Sunday morning at around 6:40 am, reports the US Geological Survey (USGS).
However, according to TV reports no loss of life or property was reported so far.
Mild Tremors were felt in Bhutan, Bangladesh, Nepal and eastern part of India.
According to the Indian Meteorological Department reports, the epicentre of the earthquake is reported to be in Kokrajhar 23km north of Basugaon in Assam.
In April this year, tremors had been felt at Guwahati and its neighbouring areas in Assam following the devastating tremor in Nepal.
More details are awaited.