IELTS preparation kivabe shuru korbo? Tips dorkar

Assalamu alaikum bhailog, ami ekjon HSC student Nasirabad, Chittagong theke. IELTS preparation niye ektu confused achi. Amar plan ache inshaAllah next year er moddhe IELTS dibo, kintu bujhtesi na kothay theke shuru korbo. British Council er course kora lagbe naki self study e possible? Ar speaking practice er jonno ki korte pari? Chittagong e kono bhalo coaching centre ache ki? Budget ektu tight, tai free resources ba YouTube channel er suggestion thakle onek help hobe. Ja shunlam 7+ band score lagbe abroad er jonno, eta ki onek difficult? Apnader moddhe keu ki recently IELTS diyechen? Please tips share koren bhai. 🙏