Computers & IT (Non-Engg)

It will be better if you do lateral entry B.Tech as you have already done polytechnic and there will be wide opportunities for you.

Hello,
You have to do enquiry in respective institutes where you are going to do the course of Software Testing. Check out this link below for institutes providing software testing course in Bangalore:
https://www.sulekha.com/software-testing-training/bangalore

MCA eligibility:
Any graduate who has passed or appearing for the final year degree examination in any discipline (science, commerce, arts, engineering or any approved university) is eligible to apply.
Candidates must have mathematics as a subject in their 10+2 course or any one year of graduation. BCA qualified candidates can also pursue MCA.
* Even if you don't have maths in graduation, maths in 10+2 will also do.

You have to clear your chemistry exam first and then opt for BCA in Seamedu, for more details check the link below:
https://www.shiksha.com/it-software/game-design/course/bca-in-game-software-development-seamedu-school-of-pro-expressionism-balewadi-pune-231149

BCA is 3 years full time programme. Graduate from any discipline with 50% marks can apply for BCA. The Programme is divided into 6 semesters.
For objective, curriculum details and admissions check out - https://www.sicsr.ac.in/programmes/bca-course

For joining a game designing industry you need to have educational qualification in the fields of animation, graphic designing, game designing/ technology, etc. You need to have knowledge about the programming language like C+ or java.
For becoming a Game programmer, one should have BE/ B.Tech degree in computer engineering.

MCA after that would also serve no harm. You could get placed even then. MBA again is a hyped course though it has advantage but try considering MCA as well.