Drawing and Painting

Yes, you can get the online courses by given link
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.onlinestudies.com/BA/Drawing/amp/&ved=2ahUKEwjby4ib9qjiAhXc73MBHZKJBl8QFjAMegQIBRAB&usg=AOvVaw3UAeelZdJWLBRDOECyV5ex&cf=1

Please specify the name of the college.

Go for BFA course which is trending nowadays and it is Bachelor of fine arts and after that for Masters, you can go for MFA and as a whole you can explore the areas like Jaipur, Rajasthan for the study of your course because that is having better scope there only.

Hi Ashok! First of all, first of all best of luck for your son's board exams results. He can definitely take drawing as his subject, if he is interested in drawing.
Some of the colleges offering this subject are:-
1)himanshu art institute. Delhi, ghaziabad
2)Alagappa University tamilnadu
3)cosmis institutions of neo entertainment, media and arts cinema, delhi
4)Ipcowala santram college of fine arts, gujrat.etc
I hope this will help you. Best of luck.

Yes, you can get a job, if you have specialized in drawing.

Don't worry. If you like technology and designing there is plenty of options are available like product designer and architect or design engineering in civil and mechanical engineering.

I would recommend you to purse BA in Fine Arts. Kindly click below. https://www.shiksha.com/arts-fine-visual-performing/articles/your-career-after-creative-arts-blogId-4560.

You can go for Degree or Diploma in speech therapy. Courses are Bachelor of Audiology & Speech-Language Pathology [BASLP] and Diploma in Hearing, Language & Speech.

Painting is definitely have good career, if you plan it wisely. Just a degree alone is not sufficient. You need to have artistic mind and body. Various jobs include PGT for painting in schools which is equivalent to BD of teachers. You can be part of an art gallery, they also have an attractive salary. There is another one such big scope that is digital painting. With increasing digitalization of modern era the scope for digital painting is increasing to fold. Companies like Amazon and Flipkart offer more than INR. 12 LPA to digital painters. It's just unexplored field with a huge growth.