Hello Shiva,

About ATMA:

• The pattern of ATMA examination has been selected and approved by Association of Indian Management Studies (AIMS). 
• The exam will be conducted four times this year, the first one was in February, then you will have an attempt in May, June and July.
• The examination tests you in areas of Quantitative, Analytical Reasoning and Verbal Skills. 
• ATMA is an online/offline examination for management admissions. There are approximately 200 participating universities.

Overall structure and scoring of the examination:

• There are two analytical reasoning sections, analytical reasoning I and analytical reasoning II, both of them comprise of 30 questions each and 30 minutes are given each of these sections.
• There are two quantitative skills sections, quantitative skills I and quantitative skills II, both of them comprise of 30 questions each and 30 minutes are given each of these sections.
• There are two verbal skills sections, verbal skills I and verbal skills II, both of them comprise of 30 questions each and 30 minutes are given each of these sections.
• The overall examination lasts for 180 minutes and comprises of 180 questions.
• The paper is an MCQ type paper which is conducted in either offline or online. Each right is given +1 marking and each wrong answer is given a -0.25 marking. Unattempted questions carry no marks.

Topics you need to cover include:

1. Analytical Reasoning:

• Strike the odd one out
• Syllogism
• Blood relations
• Data suffeciency
• Number series
• Statement - Conclusion
• Odd one out
• Coding-decoding
• Arrangement of letters
• Visual reasoning
• Data interpretation
• Analogy

2. Quantitative ability:

• Algebra
• Percentage
• Simple Interest and compound interest
• Profit, loss and discount
• Time and work
• Speed, time and distance
• Basic arithmetic
• Number system
• Ratio and proportion
• Inequalities

3. Verbal Skills:

• Reading comprehensions
• Sentence completion
• Word meaning
• Synonyms and antonyms
• Jumbled sentences
• Grammar
• Fill in the blanks
• Vocabulary
• Sentence correction
• Parallel relationships

JIMS Kalkaji accepts ATMA score. The average score required by the university is 500/800.

USMS does not accept ATMA scores. USMS only accepts CET scores. 

All the best!

I hope this helps!

Do revert back in case of any doubts.