Bhaderwah, April 8 -- With the melting of snow and opening of mountain passes, the Army has increased surveillance in the densely forested area of Jammu and Kashmir's Doda district to maintain peace and thwart any attempt by terrorists to cross over into the Chenab valley, security officials said.

The stepped up surveillance in the high altitude areas of Bhaderwah valley comes close on the heels of a massive ongoing operation against terrorists, who managed to infiltrate from across the International Border into Kathua district last month.

Kathua has emerged as a major infiltrating route for the Pakistan-based terrorists to reach higher reaches of Udhampur, Doda and Kishtwar districts and further to Kashmir over the past one year.

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