M.Sc

Yes, it is possible to do a part-time M.Sc program, especially in fields like Nursing, where some colleges offer part-time M.Sc Nursing courses designed for working professionals. For example, Roohi College of Nursing offers a part-time M.Sc Nursing program that is conducted in a classroom mode over three years with manageable fees (around eighty thousand rupees). Such programs allow students to study alongside their job commitments.

The tuition fee for MSc at Amity Directorate of Distance and Online Education costs around INR 1 L. The duration of the course is 2 years. This fee is exclusive of other components such as application fee, examination fee, security deposit, etc. The fee is taken from the official website, but is still subject to change. Candidates are advised to visit the official website before applying to ADDOE.

The total course fee for MSc at DYPDPU School of Liberal Arts is INR 5 lakh. Aspirants have to pay the some part of the fee at the time of admission to confirm their seat. Below is the fee breakup for MSc:

With  score of 178 marks in CUET PG SCQP25, you may be eligible for admission in reputable government colleges like Central University of Punjab, BHU, or University of Allahabad for MSc in Plant Biotechnology or Botany, particularly under reserved categories.
It may seem a it tough for the unreserved categories but others do have a chance. 
You should also keep looking at the merit list released by the colleges.

To get admitted to an MSc Microbiology programme now, you'll need to meet the eligibility criteria, which typically includes a relevant Bachelor's degree (like BSc Microbiology) and potentially passing an entrance exam. Since your BSc was in 2009, you'll need to check if any time-related restrictions exist for the specific programs you're interested in. 

There are several reputable institutions and colleges that offer MSc Medical Physiology courses in distance education mode (preferably in Pondicherry area). These include colleges such as JIPMER Puducherry, King George's Medical University, Banaras Hindu University and National Institute of Mental Health.