Last Updated on June 25, 2026 by Dr. Bhagat
National Academy Science Letters (abbreviated as Natl. Acad. Sci. Lett.; ISSN: 0250-541X, e-ISSN: 2250-1754) is an official publication of The National Academy of Sciences, India (NASI). Established in 1978, the journal publishes peer-reviewed research letters, rapid communications, and review articles spanning the breadth of scientific disciplines.
In 2012, NASI entered into a publishing partnership with Springer Nature, significantly expanding the journal’s global reach, editorial infrastructure, and digital distribution through the SpringerLink platform. The journal’s 2025 Impact Factor stands at 1.1 (JCR 2025, Clarivate), with a CiteScore of 2.3 and an h-index of 31.
- Impact Factor 2025: 1.1 (JCR 2025, Clarivate)
- Publisher: Springer Nature (on behalf of NASI, India)
- ISSN: 0250-541X (Print) / 2250-1754 (Online)
- h-index: 31 | CiteScore (2024): 2.3
- Indexed in: SCIE, Scopus, Google Scholar, CAS
- Median first decision: 6 days
| Detail | Information |
|---|---|
| Full Title | National Academy Science Letters |
| ISO Abbreviation | Natl. Acad. Sci. Lett. |
| Publisher | Springer Nature (for The National Academy of Sciences, India) |
| Country / Region | India |
| ISSN (Print / Online) | 0250-541X / 2250-1754 |
| Publication Model | Hybrid (subscription + optional Open Access) |
| Subject Category | Multidisciplinary Sciences (SCIE) |
METRICS Impact Factor Trend
| Year | Impact Factor | Source |
|---|---|---|
| 2025 (JCR 2025) | 1.1 | Clarivate |
| 2024 (JCR 2024) | 1.3 | Clarivate |
| 2023 (JCR 2023) | 1.3 | Clarivate |
| 2022 (JCR 2022) | 1.3 | Clarivate |
The Impact Factor has stabilized in the 1.1–1.3 range over recent years, consistent with the profile of a multidisciplinary national academy journal competing in the global SCIE landscape. The 2025 value of 1.1 reflects normal year-to-year fluctuation in citation patterns.
JOURNAL METRICS Key Journal Metrics (2025)
| Metric | Value | Source |
|---|---|---|
| Impact Factor (2025) | 1.1 | JCR 2025 (Clarivate) |
| CiteScore (2024) | 2.3 | Scopus |
| h-index | 31 | Scopus / Web of Science |
| Overall Rank | 5,560+ | SCImago |
| Quartile | Q4 | Multidisciplinary Sciences |
SCOPE Scope & Coverage
National Academy Science Letters publishes concise research letters and rapid communications across all fields of science, with particular emphasis on:
- Physical Sciences – physics, chemistry, mathematics, earth sciences
- Biological Sciences – life sciences, biotechnology, ecology
- Engineering Sciences – materials, computing, mechanical, civil engineering
- Interdisciplinary Research – bridging traditional disciplinary boundaries
The journal’s emphasis on letters format—short, high-impact communications—distinguishes it from full-length research journals, making it suitable for rapid dissemination of novel findings.
AUTHOR GUIDE Submission & Review Process
| Criteria | Details |
|---|---|
| Median First Decision | ~6 days (submission to first decision) |
| Publication Model | Hybrid (subscription or Open Access) |
| Language | English |
| Format | Research Letters, Rapid Communications, Review Articles |
| Open Access Option | Yes (Gold OA available via Springer Nature) |
DATABASE COVERAGE Abstracting & Indexing
National Academy Science Letters is indexed in Science Citation Index Expanded (SCIE), Scopus, Google Scholar, Chemical Abstracts Service (CAS), and UGC-CARE (India). This broad indexing ensures visibility across both international and Indian academic evaluation frameworks.
FAQ Frequently Asked Questions
What is the Impact Factor of National Academy Science Letters in 2025?
The 2025 Impact Factor is 1.1, based on the JCR 2025 release by Clarivate Analytics.
Who publishes National Academy Science Letters?
Springer Nature publishes the journal on behalf of The National Academy of Sciences, India (NASI).
What is the ISSN of National Academy Science Letters?
The print ISSN is 0250-541X and the online ISSN is 2250-1754.
Is National Academy Science Letters indexed in SCIE?
Yes, it is indexed in Science Citation Index Expanded (SCIE), Scopus, Google Scholar, and CAS.
What is the h-index of National Academy Science Letters?
The h-index is 31, based on Scopus and Web of Science data.
How long does peer review take?
The median time from submission to first decision is approximately 6 days.
Is National Academy Science Letters open access?
The journal operates a hybrid model. Authors may choose subscription publishing or Gold Open Access via Springer Nature.
What types of articles does the journal publish?
The journal publishes research letters, rapid communications, and review articles across all scientific disciplines.
Is this journal UGC-CARE approved?
Yes, National Academy Science Letters is included in the UGC-CARE list of approved journals for Indian academic evaluations.
When was National Academy Science Letters established?
The journal was established in 1978. In 2012, NASI partnered with Springer Nature to expand global distribution.
SOURCES References & Data Sources
- Journal Citation Reports (JCR) 2025 – Clarivate Analytics. https://jcr.clarivate.com
- Scopus CiteScore 2024 – Elsevier. https://www.scopus.com
- SpringerLink – National Academy Science Letters. https://link.springer.com/journal/40009
- The National Academy of Sciences, India (NASI). https://www.nasi.org.in
- SCImago Journal Rank. https://www.scimagojr.com
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