v3.26.1
Cover
 12 Months Ended
Nov. 30, 2025
shares
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Financial Statement Error Correction [Flag] false
Document Shell Company Report false
Entity Interactive Data Current Yes
Document Accounting Standard U.S. GAAP
ICFR Auditor Attestation Flag false
Amendment Flag false
Document Period End Date Nov. 30, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Information [Line Items]  
Entity Registrant Name Intelligent Group Limited
Entity Central Index Key 0001916416
Entity File Number 001-41974
Entity Incorporation, State or Country Code D8
Current Fiscal Year End Date --11-30
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Shell Company false
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Incorporation, Date of Incorporation Jul. 05, 2018
Entity Contact Personnel [Line Items]  
Entity Address, Address Line One 1203C, Level 12, Tower 1, Admiralty Centre
Entity Address, Address Line Two 18 Harcourt Road
Entity Address, City or Town Admiralty
Entity Address, Country HK
Entity Address, Postal Zip Code 00000
Entity Listings [Line Items]  
Title of 12(b) Security Class A Ordinary Shares, par value US$0.0002 per share
Trading Symbol INTJ
Security Exchange Name NASDAQ
Class A Ordinary Shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 1,462,498
Class B Ordinary Shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 75,000
Business Contact [Member]  
Entity Contact Personnel [Line Items]  
Contact Personnel Name Wai Lau
Entity Address, Address Line One 1203C, Level 12, Tower 1, Admiralty Centre
Entity Address, Address Line Two 18 Harcourt Road
Entity Address, City or Town Admiralty
Entity Address, Country HK
Entity Address, Postal Zip Code 00000
Entity Phone Fax Numbers [Line Items]  
City Area Code (852)
Local Phone Number 3618 8460