Lead prices fell by Rs 0.80,or 0.77 per cent to Rs 103.75 per kg in futures trading as speculators booked profits amid subuded demand in the physical market. Weak trend at the London Metal Exchange also weighed on the lead futures prices. At the Multi Commodity Exchange,lead for May contract shed Rs 0.80,or 0.77 per cent to Rs 103.75 per kg,with a turnover of 89 lots. The metal for delivery in April contract also traded lower by Rs 0.75 or 0.72 per cent at Rs 102.75 per kg in 1,571 lots. Marketmen said,besides,profit-booking by speculators,subdued spot demand from the consuming industries and weak trend at the London Metal Exchange,led to a decline in metal prices. Meanwhile,at the LME,lead fell by USD 43.50,or 1.84 per cent to USD 2,315 per tonne.