Last Updated on July 21, 2025 by Admin
National Academy Science Letters (abbreviated as Natl. Acad. Sci. Lett.) is an official publication of The National Academy of Sciences, India (NASI), one of India’s most prestigious scientific bodies.
Having been established in 1978, a pivotal development in the journal’s modern history occurred in 2012, when The National Academy of Sciences, India, entered into a publishing partnership with Springer India Pvt. Ltd., which is part of the global publishing conglomerate Springer Nature.
Quick Journal Info
| Full Title | National Academy Science Letters |
| ISO Abbrev. | Natl. Acad. Sci. Lett. |
| Publisher | Springer, for The National Academy of Sciences, India |
| Country / Region | India |
| ISSN (Print / Online) | 0250-541X / 2250-1754 |
| Publication Model | Hybrid (subscription + optional Open Access) |
| Median Review Time | 6 days (submission ➜ first decision) SpringerLink |
| Databases | Web of Science – SCIE, Scopus, Google Scholar, CAS etc. |
Impact Factor
SJR Rank
H-index
National Academy Science Letters Impact Factor
Impact Factor (IF) or often called journal impact factor (JIF) is an index provided by an analytics company named Clarivate. The impact factor is calculated by dividing the number of times the articles are cited in the last two years by the total number of publications in those two years.
- Total Citations in 2020 and 2021 = 500
- Total Number of Publications in 2020 and 2021 = 100
- Impact Factor of the Journal in 2022 = 500/100 = 5
National Academy Science Letters Impact Factor (2023-2025)
- National Academy Science Letters Impact Factor 2023 – 1.2
- National Academy Science Letters Impact Factor 2024 – 1.3 (updated 20 June 2025)
National Academy Science Letters Impact Factor 2022
National Academy Science Letters H-index
The h index is a metric for evaluating the cumulative impact of an author’s scholarly output and performance; measures quantity with quality by comparing publications to citations.
The h index of National Academy Science Letters Journal is 31, which means among all the published articles in this journal, 31 of these publications have received at least 31 citations each.
National Academy Science Letters Journal Metrics
National Academy Science Letters CiteScore
Cites per Document (Scopus metrics)
| Year | 2-Year Window | 3-Year Window |
|---|---|---|
| 2024 | 1.668 | 1.665 |
| 2023 | 1.419 | 1.297 |
| 2022 | 1.289 | 1.205 |
Publication Fee (APC)
| Route | Cost | Notes |
|---|---|---|
| Open Access | £2,290 / $3,190 / €2,590 | Charged upon acceptance; VAT/local taxes may apply. SpringerLink |
| Subscription | £0 | No APC; standard subscription access. |
National Academy Science Letters Indexed in
Science is indexed in Scopus, SCImago, Web of Science, and UGC journal ranking
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