There is no best pension plan. Each plan has it's own merits and demerits. Check out following four LIC pension plans and choose the one you like -

Jeevan Nidhi - This plan gives you participatory benefits after the 6th year. In addition 1/3rd of the amount available on vesting can be commuted. Along with this the policy holder gets guaranteed additions (Rs.50/- per thousand Sum assured for each completed year, for the first five years).

Jeevan Akshay-VI - This is an immediate annuity plan. This policy has onetime premium payment and the policy holder is eligible to receive pension for his lifetime. The policy can be withdrawn within a period of 15 days.

New Jeevan Dhara-I - This plan is participatory in nature and there is certain bonus that gets accrued after each financial year in a part of guaranteed benefit. There are certain other benefits that can be added along with this policy.

New Jeevan Suraksha-I - There is a term rider option available along with this policy where the nominee of the policy can earn a specified benefit on the death of the policy holder during that particular term of the policy.

Source - LICPensionFund