Vaiya topon sir er dagano boi gular pdf e dagano line Kom. Koyek ta line dagano take sudhu.Kom line mark korlei hobe ? Physics boi er mcq Kori only. Theory to class e hoye Jai. Eto boro boi porar time nai kono. Tai line mark Kori na. PCMB er vitore sudu physics ei mark Kori na. Only অনুশীলনী er mcq solve Kori. Kono problem hobe ?