Business Management Studies

Obviously, you can but the main question is it a right decision or not? Follow some step to analyse.
If you want change your course only due to homesickness then I don't think this one as a good decision because up to how much time you will this problem of homesickness after few years you have to go out to pursue your dream.
If you are doing it for degree only then you can go for it but you have to decide your field in which you want to go.
If you are getting some problem in hostel like loneliness, food, etc. then discuss with your parents about it.
As far as curriculum B. Tech. very good subjects/courses while doing B.B.A. you will be re-reading 90% of your subjects. While After B. Tech. you can do M.Tech. in various specializations like AI, CS and IT.

ITM Navi Mumbai provides you 2years full time AICTE approved PGDM and if you talk about the placements, then it has been offered nice for the session 2016-18. The average package has been offered was 6.5 lacs per annum. With the highest being 14 lacs per annum at Amazon. The college has big names associated with it such as HDFC, Aditya Birla Group, Tata Motors, SBI, etc. Even internships and placements have been offered very well. Few companies are providing stipend up to Rs. 20,000 per month. Overall ITM is very good for the placements.
The faculties here are very good with some having the experience of more than 15-20 years with the good amount of knowledge. The course curriculum is quite good with the subjects which are helpful not only for the mental knowledge but also for the practical exposure in the competitive market.
There are many events that take place in the college on a regular basis such as Technical Connect, Maverick, Macrinno, Fun Fiesta and Kurukshetra which include fun activities to relax the students from the excessive burden.
ITM Navi Mumbai is located in Kharghar. It offers 2-year full-time management degree. Various scholarships are offered for meritorious students. The fees of Course is somewhere between 10-11 Lakhs.
Faculty: Most of the faculty members are experienced industry candidates. The pedagogy of teaching is different and easily understandable. Every semester included with subjects depending on level wise. The case study teaching, brainstorming and various activities including easily approachable faculty members.
Infrastructure: Every classroom is enabled with Wi-Fi and AC facility. A good library with the updated collection of books, table tennis and indoor games can be played in the college. The canteen is provided with different specials of food and hygiene
Placements: The placements offered are pretty good. The average package offered is Rs. 6.5 to 7 lacs per annum varies for different specialisations, and a lot of companies Aditya Birla, Kalpa Taru, Amazon, Capgemini, Sutherland and many companies visit for the placements. The college will provide 5-month internship assistance. The average stipend offered is Rs. 10000.