Prepaid expenses and other current assets - Schedule of Allowance for Advance to Suppliers (Details) - Advance to Suppliers [Member] - USD ($) |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Prepaid expenses and other current assets - Schedule of Allowance for Advance to Suppliers (Details) [Line Items] | ||
| Beginning of the year | $ 31,115 | $ 24,347 |
| Additions | 0 | 6,768 |
| Write-off | (31,115) | 0 |
| End of the year | $ 0 | $ 31,115 |