 It had a length of 40 km and extended from the sea near Vypeen Island to the Ghats.Just before returning to Mysore after his failed attempt, he spent six days to demolish the Lines which he called 'the Contemptible Wall'.He had sworn to demolish it earlier after his failed attempt to breach it on 28 December 1789, and lost 2000 soldiers in that single night, due to the spirited defence by the Cadres, for the loss of just a few soldiers of Travancore.