One Nation One Election is a proposal to hold simultaneous elections for Lok Sabha and all State Assemblies, parties including BJP are in support of it, while the opposition is against it.
Holding simultaneous elections saves money on election expenses, such as printing ballots and hiring polling staff, and other costs.
Voters will not have to go to vote again and again, one nation one election reduces election fatigue
One nation one election by having a common focus on the electorate and making it easier for national parties to campaign across the country and help in promoting national integration
One Nation One Election makes it more difficult for politicians to use government money for campaigning
Implementing One Nation One Election can be difficult due to different election cycles for all states
The small parties that are there in one nation one election do not have the resources to campaign in the whole country.
one nation one election can weaken federalism by giving too much power to the central government