open tender notice for procurement of different items/materials for annual maintenance works of different monuments/sites under kalna sub circles under asi , kolkata circle , 2021-22 . as per the nit , for procurement of different items/materials for annual maintenance work of different monuments/sites under kalna sub circles of asi , kolkata circle . , phuljharu ( good quality ) , coconut jaru , carbolic acid , bleaching powder , coir brush , coir brush , plastic mug , duster , phenyl 500 mt bottle , naphthalene ball , p . v . c . pipe ( 3/4 dia ) ( 100/bundle ) , bamboo basket ( 0 . 60m dia , good quality ) , toilet cleaning brush ( good quality ) , floor cleaning mop ( good quality ) , coir string ( standard quality ) , harpic ( good quality ) , hand sanitizer ( 1000 ml bottle ) , mask , jhul jaru ( good quality ) , plastic bucket ( 5 lt . good quality ) , plastic mug ( for toilet , good quality ) , bamboo 8mt , bamboo 2mt , wire brush , hand gloves , plastic dustpan , plastic torch ( charging ) , bamboo ladder , jute rope rmt , muriatic acid