An earthquake with an intensity of 6.8 on the Richter scale on Sunday jolted the Northern and Eastern parts of the country.The Director, Indian Meteorological Department, Mr. R. C. Vasisht told AIR that the epicentre of the quake was located at Latitude 27.7 degree North and Longitude 88.2 degree East. The quake which was felt for some seconds around 6.11 PM triggered panic among the people.People at many places rushed out of their houses in panic. The Prime Minister Dr. Manmohan Singh spoke to the Chief Minister of Sikkim and assured him of all help. He also directed cabinet secretary to call an emergency meeting of National Disaster Management Authority to take stock of the situation.Meanwhile, The Centre has rushed four teams of NDMA to Sikkim. The four team also comprise of 160 members of experts and rescuers. AIR correspondent reports that Indian Airports planes are also ready for rescue operations.In Assam, a moderate intensity earthquake, measuring 6.1 in the Richter scale, rattled most parts of the State at around 6.21 this evening. According to Indian Metrology Department sources, the epicenter of the quake has been located in Sikkim-Nepal border.In West Bengal, electricity connection was snapped in Siliguri and Coochbehar districts. Disaster Management teams have been kept ready to meet any eventuality. AIR Kolkata correspondent reports that the government has sounded alert throughout the state. AIR Kurseong correspondent reports that as buildings shook, glass panes were broken.Tremors were also felt in various parts of Bihar and people rushed out of their houses into the open. Tremors were also felt in Darbanga district of North Bihar.Two IAF aircraft are going from Hindon to Bagdogra and one from Plam Airport to Bagdogra. Another aircraft is also being rushed to Bagdogra from Kolkata carrying personnel of National Disaster Rescue Force (NDRF ) along with equipment for rescue measures. The four rescue teams will be taken from Bagdogra to Gangtok by road.Reports of mild tremors have also come in from different areas of Chhattisgarh including capital Raipur.In Uttar Pradesh, mild shocks were experienced in Gorakhpur and Basti. Reports of tremors have also come in from Jaipur in Rajasthan. The quake was also felt in certain parts of Delhi.Chief Secretary of Sikkim Karma Gyatso says that two persons have been killed and 33 injured in the devastating quake. He said that several buildings developed major cracks in the state.