First Past the Post System: 

Its features : 

• The entire country is divided into separate constituencies. 
• For each constituency, one representative is elected. 
• The candidate who gets the highest number of votes in the constituency is declared as the winner. 
• In this system, a candidate who gets more votes than the other candidates wins. 
• It is not necessary for a candidate to have a majority (50%+1) to win. 
• This system is also known as plurality system, 
• This is the system suggested by the Constitution.

Proportional Representations:

Its features: 

a) A large area is considered as a constituency. 

b) There are two different methods in this system: 

i) In some countries, the entire country is

considered a constituency. Depending on the votes received by each party in the national election, seats are distributed, (e.g. Israel, Netherlands). 

ii) In the second method, the country is divided into multi-member constituencies, (e.g. Argentina, Portugal). 

c) Each Party prepares a list of candidates for each constituency. 

d) It is possible to elect more than one candidate from one constituency. 

e) The Voters vote for the Party and not for the candidates.