At a high-level meeting, Home Minister Rajnath Singh took stock of the situation along the 1,751-km long Indo-Nepal border and had a detailed briefing on the existing security infrastructure.
Security along the Nepal border will be tightened besides the security infrastructure and intelligence network in the next six months, official sources said.
The Home Ministry has been repeatedly getting reports that anti-India activities like movement of Jehadi elements smuggling of fake Indian currency notes, narcotics often take place along this border.
Of the 1,751 km long border, 263 km falls in Uttarakhand, 560 km in Uttar Pradesh, 729 km in Bihar, 100 km in West Bengal and 99 km in Sikkim.
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Top security officials, including from Sashastra Seema Bal, which guards the international border, were present in the meeting.
The supply of essential goods to Nepal have been squeezed following violent agitation in southern plains by Madhesi parties over the newly-promulgated Constitution. More than 40 people have died in clashes between police and the protesters.
Nepal has alleged that India has imposed an "economic blockade" on the country following the announcement of its Constitution. But India sees no merit in Nepal's complaints that it was being "choked" and deprived of essential supplies.
One of the main transit point at Birgunj bordering the Indian city of Raxaul has been blocked for over two weeks. Other check-points at Bhairahawa-Sunauli and Biratnagar-Jogani, however, have been partially opened.