OUCET

OUCET results will be announced on July 2, 2018. Regards.

You might have a chance if you have any reservation quota else give it a try. I personally do not recommend anyone to join MGIT. You have a great chance to get into this institute with this rank if you are an SC/ST student.
Try Shiksha's college predictor.

Please refer to the link provided below for a detailed syllabus of psychology for preparation of the OUCET exam. https://www.shiksha.com/humanities-social-sciences/exams/oucet/syllabus.

Best reference books for M.Sc. In chemistry entrance exam are mentioned below:
Inorganic Chemistry - by James E. Huheey
For Organic Chemistry - Morrison and Boyd Organic Chemistry
Post Graduate Entrance Examination 2017 Chemistry by Arihant Experts
Chemistry: Complete Guide for M.Sc. Entrance Examination by Unique publishers
For Previous Papers:
Solved Papers IIT JAM Chemistry by Raj Kumar
Regards.

Please check for your eligibility to pursue MCA from the criteria mentioned below:
Eligibility Of the Master of Computer Applications [M. C. A]:
Graduation in any stream is the basic eligibility for MCA. The eligibility for qualifying marks in graduation differs from institute to institute. Most of the institutes require 45 to 50 % aggregate in qualifying exam for taking admission. Reserved categories get some relaxation in aggregate percentage. Apart from this there is another prerequisite for taking admission in MCA degree; one must have studied Mathematics in 10+2 as a compulsory subject. Regards.

Hi Manmath!
You can find all the important dates related to OUCET here on this webpage https://www.shiksha.com/humanities-social-sciences/exams/oucet/dates.