Fashion Design

NIFT conducts a private exam of its own in which you whichever rank you get, you'll be assigned colleges accordingly. You can get admissions in other centres of NIFT as well.

If you want to go for fashion designing, there are some colleges which offer fashion design course. Some of the best colleges for fashion design are NIFT, NID and pearl academy. In all these colleges there are entrance tests which you have to clear. After completing 4 years of design course you will be a fashion designer.

Hi,
It is different for different institutes. Admission forms of institutes like NID, NIFT and PEARL will be out around November and December and will have their entrances around December & February.
For exact details of entrances, you will have to visit the website of the institutes you are interested in.

As mentioned in the above answer you can pursue M.Sc. You are already in the same stream.

You can opt for a Diploma course. Kindly visit the link mentioned below:
https://goo.gl/FIKoG1

If you are planning for fashion designing and can dedicate your whole time for the course, here are some of the best colleges for fashion designing in Bangalore:
http://www.bangaloreeducation.com/courses/fashion-designing/
As you are a housewife, we understand you have to manage your time. Look forward for some evening classes or weekend classes.

You will have to appear for entrance tests if you wish to take admission in PG in fashion designing. Prepare for NIFT or NID entrances and attain good marks in them.

Only drawing skills are not enough to pursue a career in fashion designing. In fact, you have already spent 5 years in science stream so it would be great if you stay in the same field.
But just in case you still want to change your field then try appearing for NIFT or NID entrance exams and then get admission in any of the colleges to have a bright future.