THIRUVANANTHAPURAM: Electricity Minister A K Balan has said that the pilot distribution of 1.5 crore Compact Fluorescent Lamps (CFL) will begin at the Thirumala, Mangalapuram, Attingal, Poovar, Pallam, Changanassery, Kuruppumthara and Kottarakkara sections of the KSEB on March 16.