Hello,

Diploma can be done in two types undergraduate diploma which can be done after 10th or after 12th. Diploma will help you to get more practical knowledge when talking about engineering.

If you do diploma in place of 11th,12th then you will get more technical knowledge about core engineering which you would like to pursue afterwards, after diploma you get direct second year admission in engineering.

Post graduate diploma can be done in various fields but specifically mba is the best option which is called pgdm ( post graduate diploma in management).

All the autonomous colleges of mba provide pgdm and they are more core oriented and rigorous academics.

After B sc you can do post graduate diploma in arts, advertising, education, agriculture, etc.

For more information about post graduation diploma courses please refer careers360 article

https://www.google.com/amp/s/www.careers360.com/courses/pgd-postgraduate-diploma/amp