SCI vs Scopus vs UGC Journals: What's the Difference?
If you have spent any time discussing publication targets with a supervisor or department committee, you have almost certainly run into three overlapping but distinct terms: SCI, Scopus, and UGC-CARE. Understanding SCI vs Scopus vs UGC journals matters because Indian universities, funding bodies, and evaluation committees often require papers to be indexed in one or more of these specific databases, and confusing them can cost you time, money, or even eligibility for a scholarship or promotion.
These three terms describe different things entirely: one is a legacy citation index now folded into a larger database, one is a broad international abstract and citation database, and one is an Indian regulatory list built for a specific national purpose. Yet they get used almost interchangeably in casual conversation, which is exactly where the confusion starts.
This article breaks down what each term actually means, how they relate to one another, and how to check where a given journal actually stands before you submit or cite it in a fellowship application.
Key Takeaways
- SCI (Science Citation Index) is a legacy Clarivate index now effectively absorbed into the broader Web of Science Core Collection.
- Scopus is Elsevier's large, multidisciplinary abstract and citation database, broader in coverage than the classic SCI list.
- UGC-CARE is an India-specific list maintained by the University Grants Commission for academic evaluation purposes, not an international citation index.
- A journal can appear on one, two, all three, or none of these lists — always verify directly rather than trusting a journal's own website claim.
- Your university's specific requirement (SCI, Scopus, UGC-CARE, or a Journal Impact Factor threshold) should drive your journal shortlist, not general prestige alone.
What Is SCI (Science Citation Index)?
The Science Citation Index was originally created by the Institute for Scientific Information as a citation index covering the natural sciences. Clarivate Analytics now owns and maintains this lineage, and the SCI has effectively been folded into the Web of Science Core Collection, alongside related indices for the social sciences and arts and humanities.
In practice, when people today say a journal is "SCI-indexed," they usually mean it appears in the Science Citation Index Expanded (SCIE), one of the editions within Web of Science. Journals in this collection typically go through Clarivate's own selection criteria around editorial standards, citation impact, and international diversity of contributors, and being included is generally considered a strong, internationally recognized quality signal.
What Is Scopus?
Scopus is Elsevier's abstract and citation database, and it is considerably larger in scope than the classic SCI list, covering a broader range of disciplines including many social science, arts, and applied fields alongside the natural sciences. Scopus also maintains its own journal metrics, including CiteScore and the Scimago Journal Rank, which serve a similar comparative purpose to the Web of Science Journal Impact Factor but are calculated differently.
Because Scopus indexes a wider net of journals than the traditional SCI collection, many respected regional and specialist journals that never appear in Web of Science are indexed in Scopus. This makes Scopus indexing a meaningful, internationally recognized benchmark on its own, distinct from but comparable in prestige to SCI/SCIE inclusion depending on the field and journal.
What Is UGC-CARE?
UGC-CARE (Consortium for Academic and Research Ethics) is fundamentally different from the previous two. It is not an international citation index at all, but a curated list maintained by India's University Grants Commission specifically to help Indian academic institutions identify journals that meet baseline quality and ethical standards for evaluation purposes, such as PhD thesis eligibility, faculty promotions, and research grant reporting.
The UGC-CARE list was introduced partly in response to the proliferation of predatory journals that were being used to inflate publication counts without genuine peer review. It is organized into groups, and many Indian universities specify that a certain group or overall UGC-CARE presence is required for a publication to count toward specific academic milestones. A journal can be excellent internationally, and indexed in Scopus or Web of Science, without separately appearing on the UGC-CARE list, and vice versa.
Side-by-Side Comparison
| Feature | SCI / SCIE (Web of Science) | Scopus | UGC-CARE |
|---|---|---|---|
| Maintained by | Clarivate Analytics | Elsevier | University Grants Commission, India |
| Scope | International, historically natural-sciences-focused | International, broad multidisciplinary coverage | India-specific evaluation list |
| Primary purpose | Citation tracking and journal quality benchmarking | Citation tracking and journal quality benchmarking | Academic integrity screening for Indian institutions |
| Associated metric | Journal Impact Factor | CiteScore, Scimago Journal Rank | No standardized citation metric |
| Relevance outside India | High, globally recognized | High, globally recognized | Primarily relevant for Indian academic requirements |
How to Check Where a Journal Actually Stands
Never rely solely on a journal's own homepage claim about its indexing status; a surprising number of low-quality or predatory journals misrepresent this. Instead, verify independently using the source databases themselves.
Search Master Journal List for Web of Science / SCI status
Clarivate maintains a public master journal list search tool. Enter the exact journal title or ISSN to confirm current inclusion and which specific edition it belongs to.
Search the Scopus source list
Elsevier publishes a downloadable, searchable list of all currently indexed Scopus sources. Cross-check the journal name and ISSN against this list rather than the journal's self-description.
Search the UGC-CARE list directly
The UGC-CARE portal hosts the current list, organized by subject and group. Because journals are periodically added or removed, check the live list rather than a saved PDF you found elsewhere online.
Confirm your specific institutional requirement
Ask your department or research office exactly which index (or indices) and which minimum criteria apply to your specific milestone, since requirements vary by university, department, and even by degree program.
Why the Three Terms Get Confused So Often
Part of the confusion stems from history. Decades ago, "SCI-indexed" was often used loosely as shorthand for "a serious, internationally recognized journal," back when Web of Science had far less competition as a citation database. That habit of speech persisted even as Scopus grew into an equally significant, and in some fields larger, database, and even as UGC-CARE emerged as a completely separate, India-specific list years later.
Journal marketing pages compound the problem. Some journals advertise themselves as "SCI-indexed" when they mean something closer to "indexed in a database with SCI-like methodology" or use similar-sounding but unofficial indexing claims. Others list old Scopus inclusion without noting they were subsequently delisted. None of this is necessarily deliberate deception, but it means a researcher who trusts only the journal's own claims is at real risk of misunderstanding where a journal actually stands.
Impact Factor, CiteScore, and Why They Are Not Interchangeable
A related source of confusion is the metrics associated with each database. The Journal Impact Factor is calculated by Clarivate using Web of Science citation data and reflects the average number of citations to recent articles in a given journal over a two-year window. Scopus does not use the Impact Factor at all; instead it calculates CiteScore, using a similar but not identical methodology and citation window, alongside the Scimago Journal Rank, which weights citations by the prestige of the citing journal.
Because these metrics are calculated differently, from different underlying data, a journal's Impact Factor and CiteScore are not directly comparable numbers, even for the same journal in the same year. UGC-CARE, for its part, does not assign or require any specific citation metric at all; its listing is a binary inclusion decision based on its own review criteria. When a colleague quotes a specific number as "the" score for a journal, always ask which database and which metric they mean before comparing it to anything else.
Why This Confusion Costs Researchers Real Time
It is common to see a scholar discover, only after submission or even after acceptance, that a journal they assumed was Scopus-indexed was actually removed from the list months earlier, or was never included at all. Elsevier periodically re-evaluates and discontinues journals from Scopus for quality or integrity concerns, and a journal that was indexed when a senior colleague published there five years ago may not still be indexed today.
This is precisely why verification needs to happen at the time of your submission decision, not based on outdated departmental folklore about which journals "count." A wasted publication, in the sense that it does not satisfy your specific institutional requirement, can mean redoing months of the review and revision cycle at a different journal.
What This Means If You Publish Internationally
Researchers based outside India, or Indian researchers targeting an international audience or collaboration, generally only need to think about SCI/SCIE and Scopus status, since UGC-CARE is not used as an evaluation criterion outside the Indian higher education system. For an international funding body, hiring committee, or collaborator, "the journal is Scopus-indexed" or "the journal is in Web of Science" carries clear, recognized meaning on its own.
For Indian researchers with mixed goals, such as satisfying a domestic PhD requirement while also building an internationally visible publication record, it is worth checking a candidate journal against all three lists rather than assuming success on one implies success on the others. A journal strong on international metrics but absent from UGC-CARE may not satisfy a domestic thesis requirement, while a UGC-CARE listed journal absent from Scopus may carry less weight with an international review panel.
Getting Guidance Tailored to Your Field and Institution
Because indexing requirements vary so much by university, discipline, and even by specific graduate program, generic advice can only take you so far. An experienced mentor who has navigated your specific field's publication landscape can help you interpret your institution's requirement correctly and match it to journals with a genuine track record of consistent indexing. Connecting with a subject-matter eSupervisor is often the fastest way to get that kind of field-specific clarity rather than relying on secondhand assumptions.
If you are still building your shortlist and want a structured second opinion on journal fit alongside indexing verification, a publication support consultancy can cross-check your candidate journals against current Scopus, Web of Science, and UGC-CARE listings before you invest time in a submission.
Frequently Asked Questions
Is Scopus indexing the same as SCI indexing?
No. They are separate databases maintained by different companies, with different coverage and different inclusion criteria. A journal can be indexed in one, both, or neither, so always check each database independently rather than assuming overlap.
Does UGC-CARE inclusion mean a journal is internationally recognized?
Not necessarily. UGC-CARE is specifically designed for Indian academic evaluation purposes and is not used internationally as a quality benchmark the way SCI or Scopus are. A journal can be UGC-CARE listed without being Scopus- or Web of Science-indexed, and the reverse is also common.
Can a journal lose its Scopus or UGC-CARE status after I submit?
Yes. Both Elsevier and the UGC periodically review and remove journals from their respective lists for quality or ethical concerns. This is why it is important to verify status close to your submission date rather than relying on older information.
Which index should I prioritize for my PhD requirement?
This depends entirely on your specific university and department policy, which may specify SCI/SCIE, Scopus, UGC-CARE, or a combination with minimum criteria. Confirm the exact wording of your requirement with your research office before shortlisting journals.
Is a UGC-CARE listed journal automatically trustworthy?
UGC-CARE listing indicates the journal passed a screening process aimed at excluding predatory practices, which is a meaningful baseline. It is still worth independently checking the journal's editorial board, review process, and recent published content before submitting.
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