Are questions repeated in the CSIR NET Exam?

List of some the books that are helpful for the CSIR NET Earth Science preparation are mentioned below:

• Environmental Geology by Edward A Keller
• Structural Geology by Haakon Fossen
• Sedimentology and Stratigraphy by Gary Nichols
• Principles of Sedimentology and Stratigraphy by Sam Boggs Jr.
• Vertebrate Paleontology by Michael J Benton
• Groundwater Hydrology by Todd and Mays

The list of some of the important topics of Mathematical Science paper is mentioned below:

• Analysis
• Numerical & Complex Analysis
• Calculus of Variations
• Linear Integral Equations
• Algebra
• Ordinary Differential Equations (ODEs)
• Descriptive Statistics, Exploratory Data 
• Classical Mechanics

The CSIR NET Physical Science Paper consists of the important topics as mentioned below:

• Mathematical Methods of Physics
• Classical Mechanics
• Thermodynamic and Statistical Physics
• Electromagnetic Theory
• Quantum Mechanics
• Electronics and Experimental Methods

Topics that are covered in the CSIR NET Life Science exam are listed below:

• Molecules and their Interaction Relevant to Biology
• Cellular Organization
• Cell Communication and Cell Signaling
• Developmental Biology
• System Physiology – Plant
• System Physiology – Animal
• Fundamental Processes
• Ecological Principles
• Evolution and Behavior
• Inheritance Biology
• Diversity of Life Forms
• Applied Biology
• Methods in Biology, etc.

Officially, the CSIR NET Syllabus is available on the official portal at csirhrdg.res.in. It is available subject-wise in the form of PDF. Candidates can downlaod by visiting the official website. The CSIR NET syllabus is also available on this page itself.