PAKISTAN has constructed several fortified bunkers and observation posts along the Indo-Pak border after the Mumbai attacks, the Indian Border Security Force (BSF) said on Tuesday, reported PTI. Pakistan has been strengthening its defence infrastructure after 26/11. They have constructed fortified bunkers, observation posts along borderline, some of them highly objectionable, BSF Special Director UK Bansal told reporters in Udhampur (Kashmir. We have raised objection with Pakistan counterparts several times, but nothing has been done in this direction, Bansal said adding, We want these objectionable structure to be removed.