Hello Ratnesh

NIMCET is a national level entrance exam and it is conducted by the National Institute of Technology (NITs) for admission to Master of Computer Applications (MCA) programme across the NITs.
To prepare for the exam, you should know the detailed exam pattern and syllabus of the exam.

Exam Pattern
The exam will be conducted in Offline mode and the duration of the exam is two hours. Questions in the exam will be asked from the following subjects-

Mathematics

Analytical Ability & Logical Reasoning

Computer Awareness

General English

Mathematics section holds the highest weightage in the exam. 50 questions will be asked from Mathematics, 40 questions will be asked from Analytical Ability and Logical Reasoning, 10 questions from Computer Awareness and 20 questions from the General English section.

Four marks would be awarded for every correct answer and one mark will be deducted for every incorrect answer. 

Syllabus- From the Mathematics section, questions will be asked from the following units-Set theory, Probability and Statistics, Algebra, Coordinate Geometry, Calculus, Vectors, Trigonometry.
Check the detailed syllabus using the link below-
https://it.careers360.com/exams/nimcet

As you know that 50 questions will be asked from mathematics, so you need to prepare well for this subject. Start by clearing your basic concepts. If your basics will be strong, you will not face many difficulties. Also, practice is the key to score good marks in Mathematics. Practice as many questions as you can. Make a proper time schedule for your studies and study with full dedication and determination.  

Good Luck!