Diploma

Yes, to appear in JEE (Advanced) a diploma holder can apply in JEE Main but his rank and score for JEE (Main) will not be declared as diploma holders cannot apply for admission in NITs and CFTIs through JEE (Main) channel. * The criteria of marks for diploma holders will be : If a Board gives aggregate marks considering the results of all three years of a 3-year diploma or courses of equivalent duration, then only the marks scored in the final year will be considered. Similarly, for Boards which follow a semester system, the marks scored in the final two semesters will be considered. * One of the criteria for admission to IITs and ISM is that the candidate should satisfy at least one of these two criteria: 1-He/she is within the category-wise top 20 percentile of successful candidates in his/her respective Class XII (or Diploma) Board examination. 2-He/she has secured 75% (for GEN or OBC-NCL) or 70% (SC, ST or PwD) of aggregate marks in the Class XII (or equivalent) Board examination. *All the rules listed above were followed in 2015.So keep checking if there are any changes.* In order to get admission in aerospace engineering at IIT Bombay your AIR should be less than 1500 more or less.

Hi
Advance diplomas are generally done after 12th and are of 3 years. if you are talking about pg diplomas, it is also known as a graduate diploma and offers people with a relevant undergraduate degree a chance to improve their employability skills. The postgraduate diploma is usually offered as a12-month course and requires students to complete a specific number of learning credits for the institution to grant the diploma to the student. Additionally, a number of postgraduate diplomas offered by leading Canadian institutions include a short work component, which allows students to hone their skills in a real industry environment.
Master's on other hand is a degree of 2 years again and gives you specialization.