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Intangible assets, net (Tables) | 12 Months Ended
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Mar. 31, 2022
Intangible assets, net |
Schedule of intangible assets, net | ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of March 31,
​ |  | 2021 |  | 2022
​ | ​ | (in millions of RMB)
User base and customer relationships | ​ | 50,066 | ​ | 47,941
Trade names, trademarks and domain names | ​ | 39,440 |  | 39,080
Non-compete agreements | ​ | 19,445 | ​ | 14,436
Developed technology and patents | ​ | 12,855 | ​ | 7,088
Licensed copyrights (Note 2(x)) and others |  | 9,411 | ​ | 8,384
​ | ​ | 131,217 | ​ | 116,929
Less: accumulated amortization and impairment |  | (60,384) |  | (57,698)
Net book value |  | 70,833 |  | 59,231
Schedule of estimated future aggregate amortization expenses | ​
​ | ​ | ​
​ |  | Amounts
​ |  | (in millions of RMB)
For the year ending March 31, | ​ | ​
2023 |  | 12,660
2024 |  | 10,886
2025 |  | 7,249
2026 |  | 4,536
2027 |  | 4,629
Thereafter |  | 19,271
​ |  | 59,231

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