trading levels..govt approves pension and insurance bills ,exp inr further strenthen..mcx gold weak below 31140 res abv 31240 and cld tgt 31040-30940/mcx silverm weak below 62100 res abv 62300 and cld tgt 61500-200/mcx copper weak below 436 res abv 438 and cld tgt 534-432//