Journal metric profile

NATIONAL ACADEMY SCIENCE LETTERS-INDIA

Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor, five-year Impact Factor, quartile, category rank, publisher, identifiers and citation profile for the 2025 metric year.

JCR-based Impact Factor 1.300 2025 metric year
5-Year Impact Factor 1.000 Longer citation window
JCR Quartile Q3 Subject-category quartile
JCR Category Rank 72/135 Recorded category rank

NATIONAL ACADEMY SCIENCE LETTERS-INDIA JCR impact factor overview

Automatically generated from the journal record shown on this page.

Page reviewed August 6, 2026

Clarivate JCR impact factor overview

NATIONAL ACADEMY SCIENCE LETTERS-INDIA is listed in this directory with bibliometric information for 2025. It is published by SPRINGER INDIA. The database records a Journal Impact Factor of 1.300, presented as a Clarivate Journal Citation Reports (JCR)-based metric. Its listed JCR Impact Factor quartile is Q3.

Ranking and quartile

The recorded JCR Impact Factor category rank is 72 out of 135 journals in its listed category. A Q3 designation describes the journal’s position within its subject category; it should not be used as a direct measure of the quality of an individual article.

Citation profile

The record contains 1,145 total citations, 198 total articles, 198 citable items. The five-year Impact Factor is 1.000, which is 0.300 points below the listed standard Journal Impact Factor. These values use different citation windows and should be interpreted together rather than as a direct trend. The Journal Impact Factor without journal self-citations is recorded as 1.200. The Journal Citation Indicator is listed as 0.290.

Citation half-life

The cited half-life is recorded as 5.4 years, describing the median age of articles cited in the reporting year. The citing half-life is 8.1 years, reflecting the median age of references used by the journal’s articles.

Journal identifiers and verification

NATIONAL ACADEMY SCIENCE LETTERS-INDIA is identified in this record by print ISSN 0250-541X and electronic ISSN 2250-1754. Use the ISSN when checking library catalogues, publisher records, indexing databases, or the official Clarivate Journal Citation Reports entry.

Complete journal information

All values below come directly from the database record.

Journal nameNATIONAL ACADEMY SCIENCE LETTERS-INDIA
Abbreviated journalNATL ACAD SCI LETT
PublisherSPRINGER INDIA
Metric year2025
Overall rank11,740
ISSN0250-541X
eISSN2250-1754
Total cites1,145
Total articles198
Citable items198
Cited half-life5.4 years
Citing half-life8.1 years
JCR-based Journal Impact Factor1.300
5-Year Impact Factor1.000
Impact Factor without journal self-cites1.200
Journal Citation Indicator0.290
JCR Impact Factor quartileQ3
JCR category rank72/135
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of NATIONAL ACADEMY SCIENCE LETTERS-INDIA?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for NATIONAL ACADEMY SCIENCE LETTERS-INDIA is 1.300 for the 2025 metric year.

What quartile is NATIONAL ACADEMY SCIENCE LETTERS-INDIA?

NATIONAL ACADEMY SCIENCE LETTERS-INDIA is listed in quartile Q3. Quartiles describe a journal’s position within a subject category and should be interpreted within that field.

Who publishes NATIONAL ACADEMY SCIENCE LETTERS-INDIA?

NATIONAL ACADEMY SCIENCE LETTERS-INDIA is listed as being published by SPRINGER INDIA.

Can a JCR Journal Impact Factor be used to judge an individual article?

No. The Journal Impact Factor is a journal-level citation measure reported in Clarivate Journal Citation Reports. It does not measure the quality, reliability or influence of every individual article published by that journal.

Additional records from the same publisher or with a similar listed JCR Impact Factor.