After the issue raised in the Muvattupuzha Lok Sabha constituency, Joseph left the alliance and joined LDF.

Since 1991, Joseph's party became part of the Left Democratic Front (LDF) as an alliance.

The faction of P.C Thomas formed the Kerala Congress (Anti-merger group) and stayed in LDF.

In July, both groups announced a split and claimed the party symbol and name.

Following this, Jose announced the intention of his faction to join the LDF in October 2020.

[4] It also marked P.J Joseph's return to the parent Kerala Congress Party as chairman after 11 years.