An electrol roll is a list of the citizens who areeligible for casting their vote which is collectedand updated by EC.

25 years is the minimum agebar for a candidateto contest in the election.

Polling center is the place that are determined by ECfor the conduction of election on the recommendation ofdistrict polling location and polling centerdetermining committee.

Any four suggestions to check such invalidity are:
- Voters should be taught about the proper wayof voting their candidates.
-EC should prepare clear, simple and voter-friendlyballot paper.
-Providetraining to the people to put seal correctly.

The qualification required to be the candidate inthe election for parliament are:
-He/she must be Nepali Citizen.
-He/she must have completed at least 25 years.
-He/she mustn't be disqualified by law.
-He/she mustn't holdanypublic post paid fromthe state treasure.