| Document and Entity Information | Oct. 01, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 01, 2024 |
| Entity Registrant Name | Investcorp India Acquisition Corp |
| Entity Incorporation State Country Code | E9 |
| Entity File Number | 001-41383 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Address Address Line 1 | Century Yard, Cricket Square |
| Entity Address Address Line 2 | Elgin Avenue |
| Entity Address Address Line 3 | P.O. Box 1111 |
| Entity Address City Or Town | George Town |
| Entity Address Country | KY |
| Entity Address Postal Zip Code | KYI-1102 |
| Country Region | +1 |
| City Area Code | 302 |
| Local Phone Number | 738-7210 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001852889 |
| Amendment Flag | false |
| Class A Ordinary Shares [Member] | |
| Document Information [Line Items] | |
| Security 12b Title | Class A ordinary shares, par value $0.0001 per share |
| Trading Symbol | IVCA |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants [Member] | |
| Document Information [Line Items] | |
| Security 12b Title | Redeemable warrants, each warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share |
| Trading Symbol | IVCAW |
| Security Exchange Name | NASDAQ |
| Class A Ordinary Share And Redeemable Warrant [Member] | |
| Document Information [Line Items] | |
| Security 12b Title | Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant |
| Trading Symbol | IVCAU |
| Security Exchange Name | NASDAQ |
