At Multi Commodity Exchange, zinc for delivery in October declined 35 paise, or 0.17 per cent, to Rs 207.15 per kg in a business turnover of 831 lots.
The metal for delivery in September contracts lost 25 paise, or 0.12 per cent, to Rs 209 per kg in 1,383 lots.
Analysts said cutting down of positions by participants owing to slack demand from consuming industries in the physical market weighed on zinc prices.