An open label, balanced, randomized, two-treatment, two-period, two-sequence, single dose, crossover, oral bioequivalence study of Lamotrigine Extended Release tablets 200mg of Dr. Reddy's Laboratories Limited, India comparing with that of LAMICTAL XR(containing Lamotrigine) Extended Release tablets 200mg of GlaxoSmithKline Research Triangle Park, NC in healthy, adult, human subjects under fasting conditions.