Siliguri, Sep 14 (ANI): Security forces of India and Bangladesh conducted a survey on unfenced areas along the border with an aim to put an end to infiltration, trafficking and smuggling by criminals. Inspector General of the Border Security Force (BSF) north-Bengal frontier, S K Sood, said that fencing work would begin after getting an approval from Bangladesh. Sood also said that fencing would also help to curb criminal activities.