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Document And Entity Information - USD ($)
 12 Months Ended
Mar. 31, 2022
Jun. 06, 2022
Sep. 30, 2021
Document Information Line Items      
Entity Registrant Name INDIA GLOBALIZATION CAPITAL, INC.    
Trading Symbol IGC    
Document Type 10-K    
Current Fiscal Year End Date --03-31    
Entity Common Stock, Shares Outstanding   51,744,353  
Entity Public Float     $ 70,376,026
Amendment Flag false    
Entity Central Index Key 0001326205    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Well-known Seasoned Issuer No    
Document Period End Date Mar. 31, 2022    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
ICFR Auditor Attestation Flag false    
Document Annual Report true    
Document Transition Report false    
Entity File Number 001-32830    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 20-2760393    
Entity Address, Address Line One 10224 Falls Road    
Entity Address, City or Town Potomac    
Entity Address, State or Province MD    
Entity Address, Postal Zip Code 20854    
City Area Code 301    
Local Phone Number 983-0998    
Title of 12(b) Security Common Stock    
Security Exchange Name NYSEAMER    
Entity Interactive Data Current Yes    
Auditor Firm ID 5341    
Auditor Name Manohar Chowdhry & Associates    
Auditor Location Chennai, India