Hi k9xlara2rr,
You have an average profile but you can make your application strong by working on few things like achievements in family business you are doing currently. You should also make your contacts with the alumnus of Schools you are targeting and based on the requirement you can improve on your extra curricular and GMAT Scores.
For online GMAT Preparation visit
https://tinyurl.com/cp46f9x.
If you happen to be based in Delhi, you can attend a MBA workshop by the alumnus of ISB along with alumnus of various top global B-Schools during the dates mentioned in this links
https://tinyurl.com/cjy62uhFeel free to post further queries if you might have.
Cheers!!
Neha Singh