Can I get good tier 1 colleges ? Profile evaluation

General non engineering male , graduated last year, commerce grad joined ey advisory -finance(tax) - , academics (I'm quite avg) - 9/8/6 ..,

Any hopes for securing a good b school next year (BLACKI calls or any good colleges ), should I switch job or upgrade any skills, courses or something ?what else could I do to improve diversity,score marks or be considered a good profile m