I am doing mba full time from Heritage business school kolkata, under wbut.The school is not in top 30,will it be gud to do the same?

I am an average, score low in CAT, but due to wrk exp of 4yrs ,i have enable to clear the interview of "Heritage Business School" full time mba. Hw gud is doing the same, will i get better exploser in the future. Will i be able to gud placement after the course.