Answer
The answer is CPI (Communist Party of India). Javed Akhtar, a renowned Indian poet, lyricist, and screenwriter, actively participated in the 2019 Lok Sabha election campaign by lending his support to the CPI candidate, Kanhaiya Kumar, in the Begusarai constituency of Bihar. Akhtar's involvement in the campaign was driven by his alignment with the party's ideology and his belief in the importance of progressive politics.