Here is CSIR UGC NET SYLLABUS 2018 for Mathematics or Mathematical Sciences.
CSIR (Council of Scientific & Industrial Research) conducts NET (National Eligibility Test) exam two times every year for Eligibility for Lectureship and Junior Research Fellowship in Mathematics. Those candidates who are preparing for CSIR NET Exam in subject of Mathematics (Maths) can download the full syllabus here.

CSIR NET Syllabus of Mathematical Sciences

There will be three parts in the paper. 
Part A will have 30 marks
Total 20 questions are to be asked in paper on General Science, Quantitative Reasoning & Analysis and Research Aptitude. 15 questions are required to be attempted.

Part B will carry 70 marks i.e. 35 questions required to be attempted out of 40 questions
Questions will cover the topics given in syllabus.

Part C will contain total 120 marks. These are designed to test a candidate's knowledge of scientific concepts and/or application of the scientific concepts. Out of 60 questions, candidate have to attempt any 25 questions from this part.

Negative marking @25% will be applicable for each wrong answer in Part A & B. However there is No Negative marking for Part ‘C’.

Download Full Syllabus of Mathematical Sciences