BTTB & Cellular Companies: Topographical maps and DEM will probably be useful for scheduling of set up for radio relay stations all over the region. Topographical maps could be proficiently useful for tower areas and dedication of protection zone. ভূমি রেকর্ড ও জরিপ অধিদপ্তরের নিয়োগবিধি - ১৯৮৪ The process https://billw853qzg1.fliplife-wiki.com/user