India, March 28 -- Kerala is heading into Assembly elections on April 9, and while 140 seats will decide the final result, some constituencies matter more than others. These are the places where contests are very close, or where the result can show which party is gaining strength across the state.

While the key contenders in this fight are the ruling Left Democratic Front (LDF) and the Congress-led United Democratic Front (UDF), the BJP-led National Democratic Alliance (NDA) is also trying to make a mark.

Let's take a look at the top five key constituencies that could play a big role in deciding who forms the government:

Nemom is one of the most important seats in Kerala because all three major alliances are strong here.

It is the onl...