1)basic electrical & electronics engineering das.ray(kanjilal) vol-1 jbbl(wbut) 2)basic electrical & electronics engineering vol-1 a chakrabarti. s k mandal.s nath tmh(wbut series) 3)engineering math vol-1 by pulak kundu chhaya prakashani(wbut series) 4)engineering math vol-1 by bikas chandra bhui dipak chatterjee vikas (wbut series) 5)engineering mechanics vol-1 by p k nag.s pati .t k jana tmh(wbut series) 6)engineering mechanics vol-1 vikas publishing house(wbut series) 7)english language & technical communication by barun kr. de matrix(wbut)