India, Aug. 5 -- Moments after Bangladesh Prime Minister Sheikh Hasina stepped down and the country's army, led by Waker-Uz-Zaman, formed an interim government in Dhaka, the Border Security Force (BSF) has put all its posts on the entire 4,096-km-long border on "high alert", people familiar with the development said.

Officials added that the ministry of home affairs (MHA) is closely monitoring the developments in Bangladesh and the acting director general of BSF, Daljit Chawdhary, has reached Kolkata along with senior brass from the headquarters to review the security at the border.

BSF jawans have been asked to keep a close watch on any unauthorised entry of individuals from Bangladesh to India, and ensure that smugglers and terrorists...