supply of mango plants , supply of dofala mango plantsto the different blocks ofthe following districts lying under four different zones , zone 1:- south 24 parganas , zone 2:- coochbehar, alipur duar, darjeeling, siliguri, jalpaiguri, kalimpong , zone 3:- uttar dinajpur, dakshin dinajpur, malda, murshidabad, nadia , zone 4:- purulia, bankura, paschim medinapur, purba medinapur, birbhum, north 24 parganas, howrah, hooghly, purba bardhaman, paschim bardhaman , supply of katimon mango plantsto the different blocks ofthe following districts lying under four different zones , zone 1:- south 24 parganas , zone 2:- coochbehar, alipur duar, darjeeling, siliguri, jalpaiguri, kalimpong , zone 3:- uttar dinajpur, dakshin dinajpur, malda, murshidabad, nadia , zone 4:- purulia, bankura, paschim medinapur, purba medinapur, birbhum, north 24 parganas, howrah, hooghly, purba bardhaman, paschim bardhaman , supply of sarikhas mango plantsto the different blocks ofthe following districts lying under four different zones , zone 1:- south 24 parganas , zone 2:- coochbehar, alipur duar, darjeeling, siliguri, jalpaiguri, kalimpong , zone 3:- uttar dinajpur, dakshin dinajpur, malda, murshidabad, nadia , zone 4:- purulia, bankura, paschim medinapur, purba medinapur, birbhum, north 24 parganas, howrah, hooghly, purba bardhaman, paschim bardhaman