Six assembly by-elections were held on 23 September and 21 October 2019, to the six vacant seats in the Kerala Niyamasabha which consists of 140 constituencies in total.

[1] The remaining 5 assembly constituencies (Manjeshwar, Ernakulam, Aroor, Konni and Vattiyoorkavu) voted to elect their representatives on 21 October.

[3] The second phase by-elections were held for the remaining 5 vacant assembly constituencies in Kerala.

The United Democratic Front (UDF) is the coalition of centrist and center-left parties led by the Indian National Congress.

It is one of the two major political coalitions in the state, the other being the UDF, both of which has been in power alternatively for the last two decades.

Asianet News had published their exit poll predictions for Pala, where the election was held earlier.

Polling took place on 23 September 2019 in Pala and on 21 October 2019 in the remaining five Niyamasabha constituencies.