even i don't know exactly, i am also considering getting tuitions for ielts now because i couldn't manage it on my own. i am evaluating different options you do the same, please let me know if you could find a better academy i may enrol too.
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i give tuitions for IELTS in karachi, and my students have achieved good bands in both the academic and general modules. You can send me a PM if ure interested
I give tuition privately, at the candidate's home Saima. Classes are 4 days a week. each day an individual module is done . Initially a test is conducted to know your weak areas and a study plan is devised accordingly.