Officials said Akhtar is a complainant in the case and the central probe agency is questioning him for information and details of the matter.
The famous lyricist is the chairman of the board of directors of the the Indian Performing Right Society Limited, which is accused of not paying the dues of its member lyricists and song writers.
"Akhtar was given an option to send a representative for the questioning and recording of statement. But he came himself to help investigators take the probe forward," a senior official said.
The PPL is a copy right society for sound track recording companies and it also issues licences to the users of sound or music recordings for public performance on behalf of member music companies.
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The agency had last year attached assets worth Rs 13 crore of the PPL and mutual funds worth Rs 70.17 crore of the IPRS in this case.
However, in connivance with the IPRS and Ms Select Media Holding Pvt Ltd (SMHPL), the PPL indulged in criminal conspiracy and cheating, and revenue due to the IPRS was not paid to them, it had said.
"Investigations reveal that Rs 13.04 crore was thus retained fraudulently by the PPL which led to non-payment of royalties to the members of the IPRS who are music writers, composers, directors among others," the agency had said.
The IPRS collects royalties on public performances of songs and music from consumers like restaurants, radio stations, television channels among others and distributes royalties so collected among lyricists, composers (music directors) and publishers (music companies) in the ratio of 20:30:50 (up to June 21, 2012) and in the ratio of 25:25:50 thereafter.
The affairs of the IPRS are managed by a governing council comprising directors, some prominent names in the music industry, and representatives of popular music companies in the country.
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