A fresh tremor of magnitude 5.1 on the Richter scale was reported a little after 6 p.m. along the border with Nepal in West Bengal on Monday.
With the jolt at 6.06 p.m., the count of aftershocks climbed to 56 in Nepal and the border areas with India and China.
Saturday's earthquake, measuring 7.9 on the Richter scale, and its aftershocks in Nepal have left over 3,700 people dead and over 6,300 injured.
The toll in India, where over 70 people died in the quake till early Monday, continues to rise as parts of Bihar, Uttar Pradesh and West Bengal have been affected by the temblor.
