There is no plan to make Aadhaar mandatory for donors under the electoral bonds scheme, which is aimed at bringing transparency in funding of political parties, the government has informed the Lok Sabha. The government had notified the scheme on January 2. The scheme, he said, is to provide anonymity to the donors but at the same time establish a transparent political funding system with well established audit trail.
— source outlookindia.com
Means, political donors who control political parties will always behind the scenes. How you know the money is coming from corruption? For this govt transparency means secrecy.