National Academy Science Letters

Aims & Scope

To promote research in all the branches of Science & Technology; and disseminate the knowledge and advancements in Science & Technology.

View Aims & Scope

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Metrics & Ranking

Impact Factor

Year	Value
2025	1.3

SJR (SCImago Journal Rank)

Year	Value
2024	0.264

Quartile

Year	Value
2024	Q3

h-index

Year	Value
2024	31

Journal Rank

Year	Value
2024	18009

Journal Citation Indicator

Year	Value
2024	561

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Abstracting & Indexing

Journal is indexed in leading academic databases, ensuring global visibility and accessibility of our peer-reviewed research.

• Scopus
• Google Scholar
• Web of Science

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Subjects & Keywords

Journal’s research areas, covering key disciplines and specialized sub-topics in Engineering, designed to support cutting-edge academic discovery.

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Licensing & Copyright

This journal operates under an Open Access model. Articles are freely accessible to the public immediately upon publication. The content is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0), allowing users to share and adapt the work with proper attribution.

Copyright remains with the author(s), and no permission is required for non-commercial use, provided the original source is cited.

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Most Cited Articles

The Most Cited Articles section features the journal's most impactful research, based on citation counts. These articles have been referenced frequently by other researchers, indicating their significant contribution to their respective fields.

• A Review on Silicone Rubber

  Citation: 493

  Authors: Subhas C., Pathik

• Crop Loss Estimations due to Plant-Parasitic Nematodes in Major Crops in India

  Citation: 133

  Authors: Vinod, Matiyar Rahaman, R. K.

• Hybrid Technique for Robust and Imperceptible Image Watermarking in DWT–DCT–SVD Domain

  Citation: 105

  Authors: Amit Kumar, Mayank, Anand

• Thyroid Disease Prediction Using Machine Learning Approaches

  Citation: 99

  Authors: Gyanendra, Dhananjay, Siddharth, Vibhash

• Image Forgery Detection Using Singular Value Decomposition with Some Attacks

  Citation: 67

  Authors: Neeraj Kumar, Neelesh Kumar, Prashant Kumar, UmaShankar, Rachana

• In vitro compatibility evaluation of agriusable nanochitosan on beneficial plant growth-promoting rhizobacteria and maize plant

  Citation: 63

  Authors: Upasana, Parul, Anita

• α-Amylases from Microbial Sources and Its Potential Applications in Various Industries

  Citation: 59

  Authors: Neerja, Abhishek, Ayesh

• Deep Regression Network for Single-Image Super-Resolution Based on Down- and Upsampling with RCA Blocks

  Citation: 53

  Authors: S., N.

• Nutritional Quality in Terms of Amino Acid and Fatty Acid of Five Coldwater Fish Species: Implications to Human Health

  Citation: 51

  Authors: Debajit, M. S., Puspita, Partha, Neetu, A., P. C., Sona, Dipesh

• Utility of Informative SSR Markers in the Molecular Characterization of Cytoplasmic Genetic Male Sterility-Based Hybrid and its Parents in Pigeonpea

  Citation: 47

  Authors: Abhishek, I. P., Ashutosh K., Abhinav, K. R., S. K., N.

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