M.Sc

It depends upon them that how they calculate it. So it'd be better if you ask the college directly. In general, backlogs are counted subject wise. But the plus point is your 3+ year of work experience. You still have the good chance to ensure your selection in your desired college.

You will have to clear an admission test as most colleges don't take students with more than one year gap. However, if your marks are good and you crack the admission test then you will get through.

Hi Jijo,
If you have the capability to manage these two courses, you can pursue them simultaneously.
All the best for your future.

After the completion of your M.Sc. You can start preparing for CSIR (Council of Scientific and Industrial Research) NET Exam in Life Science for the award of Junior Research Fellowship and eligibility for the lectureship. Taking CSIR NET exam (Life Science) can give you an edge to chase your dreams. So, if you want to get select for the above-mentioned award then its essential to appear in CSIR NET exam and for that its compulsory to fulfil prescribed CSIR NET eligibility criteria.
The test contains multiple choice questions which will be divided into three parts i.e. Part A, Part B and Part C.

Please refer to the link provided below for details regarding an exhaustive list of colleges which offer M.Sc Courses in chemistry. You should be able to navigate to a college of your choice using the filters on the webpage. Many colleges offer admissions via entrance exams, whereas others are based solely on merit. https://www.shiksha.com/science/colleges/m-sc-chemistry-colleges-gujarat.