LIC's Profit Plus & Market Plus : how to sell these units?

[PolicyWala]

I had invested Rs.50000/- in LIC Profit Plus on 17 Jan 2009 and also invested Rs. 30000/- in LIC's Market Plus (on dated 10 Feb 2010. I wanted to know the NAV of above plans.

Check on LICIndia website. First check in which fund you have invested in.

Also let me know - how to sell these units?

You either need to Surrender or Partial Withdrawal the policy.