Tree Treming For Maintianing Right Of Way Of Shahmirpur-Shikalbaha 132 Kv, Anwara-Shikalbaha 230 Kv & Banskhali-Shikalbaha 400 Kv Double Circuit Transmission Line Within Jurisdiction Of Shahmirpur 132/33 Kv Grid Substation Under Power Grid, Gmd, Chattogram (South).