Hello,

You shouldn't drop your college, at least complete your graduation, in case your degree don't interest you anymore you can opt for other options, you can explore actuary by appearing in ACET this can be done alongside graduation, there are other professional courses too which you can consider such as chartered  accountant, company secretary, cost management accountancy to name a few, if you wish to change your field then you can consider, management, computer application, integrated law such as BCom-LLB or BBA-LLB which will be more suited for you,

there are various MOOCs such as coursera, edX, futurelearn, udemy  to help you in expanding information about your areas of interest,

check out the courses to be pursued after commerce with maths at 10+2 level at https://www.careers360.com/careers/articles/career-options-after-12th-commerce-with-maths-counar

also go through high salary after 12th standard with commerce at https://www.careers360.com/careers/articles/career-options-after-12th-commerce-with-maths-counar