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Document And Entity Information - shares
 9 Months Ended
Dec. 31, 2016
Jan. 30, 2017
Document and Entity Information [Abstract]    
Entity Registrant Name India Globalization Capital, Inc.  
Document Type 10-Q  
Current Fiscal Year End Date --03-31  
Entity Common Stock, Shares Outstanding   27,606,447
Amendment Flag false  
Entity Central Index Key 0001326205  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Smaller Reporting Company  
Entity Well-known Seasoned Issuer No  
Document Period End Date Dec. 31, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3