Both are the good colleges. But as per the reviews given by the students you can go for MITCON rather than Indira Institute of management. Or if you share your details then I can also guide you the best options.

It is on average college as per the reviews given by the students. For further information about you can go through with given below links.

IIMP Reviews

Event management is catching up as a bright career option due to element of style, flamboyance, glamour and glitz associated with pertinent corporate and social events because of the increasing trend in marketing and retail sector.Today various event management companies are present in the market. And salary depends on your

Bengal Institute of Business Studies is decent college. As per the reviews given by the students it has supportive & brilliant faculty. The placement is also very decent but the placement depend on how you perform & represent your self. For the genuine reviews you can go through with given

Here are some of the colleges list in Kolkata under 4.5 Lakh you can prefer.

Bengal Institute of business studies
Globsyn Business school
Calcutta Business School
NSHM Knowledge

For further information you can go through with given below link.
http://www.bschool.careers360.com/colleges/ranking/top-mba-colleges-in-kolkata

If your priority is to switch to tier two cities you must go for IRMA, because the customer segment to which IRMA furnishes its services to, lies in those cities only.

Hi, For admission through the centralized admission of DTE normally score above 100 is considered for admitting students in this institute.
You can even check last year cutoff of colleges through MAH CET.
Link: http://www.bschool.careers360.com/articles/mah-cet-cutoff

Good Luck.

Hi, Yes it provides internship. Summer internships. You can get the details on their official site as well. Good Luck.