Diploma

The eligibility criteria of Post Graduate Diploma in Psychological Counselling of NSOU is given below.
Eligibility criteria : Graduate (10+2+3) in Social Science(Civics/ Pol. Sc./ History/ Geography/ Physical Medicine i.e MBBS/BAMS/ BHMS/ BUMS).
Therefore, from above you are not eligible for this course.

Hey,
Yes, you can do Diploma after 10th. You can take admission in Guru Nanak Dev Polytechnic college, not Guru Nanak Dev engineering colleges. For this, you can register yourself at their website.

Yes, you are eligible to apply for PG Diploma dietetics. The eligibility criteria of SNDT Women University is given below for reference please. Eligibility criteria : Minimum percentage is 45% or B grade for students who have the following degrees: B.Sc. Foods and Nutrition, B.Sc. Food Science and Nutrition, B.Sc. Clinical Nutrition and Dietetics/Nutrition and Dietetics, B.Sc. Public Health and Nutrition, B.Sc. Food Science and Quality Control, B.Sc. Applied Nutrition, B.Sc. Food Technology.