
dhwani tantradnyan

soundtech hii bangladeshatil prasiddha junya dhwanimudran label kampanyanpaiki eka aahe, jee casset, see. dii., vhee. see. dii. aanee dii. vhee. dii. tayar karate. soundtech heey bangladeshmadhil pramukh dhwanimudran lablepacky eka aahe. companyche malak sultan mahmood aahet.
itihas.
1992 madhye sultan mahmood yane soundtechi sthapana kelee. soundtech youtube vahineene keval 1 varshat 10 laakh grahakancha tappa paar keela. 1992 pasoon companyne 1500 hoon adhik dhvanimudrike prakashit kelee aahet.