Dada ami tomar btech 3rd sem EE all subjects course ta kinechilam tate amr computer thake login korte parchi na. Login korte galai bar bar 3 devices are allowed only to login dekhache but ami amr ph chara ar kothao to login korini. Ai nia dada tomake ami mail o korechilam but reply aseni. Amake please aktu help koro dada January mas e to exam ache.