I have done MSc in environmental science and BSc in zoology. Which subject should I take up for CSIR NET - earth science or life science?

The authority is expected to soon release the CSIR NET 2025 December session result on the official website at csirnet.nta.nic.in. It will be released in the form of PDF. It also consists of the roll numbers and rank of candidates who qualified the 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 Pale

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
• Ev