HI Pradeep, Please see https://salesforce.stackexchange.com/questions/88446/how-to-import-multiple-sheetsmeans-multiple-objects-with-single-excel-with-diff https://salesforce.stackexchange.com/questions/212753/how-to-generate-multiple-excel-files-on-click-of-a-button-in-vf-page
If this information helps, please mark the answer as best. Thank you
Please see https://salesforce.stackexchange.com/questions/88446/how-to-import-multiple-sheetsmeans-multiple-objects-with-single-excel-with-diff
https://salesforce.stackexchange.com/questions/212753/how-to-generate-multiple-excel-files-on-click-of-a-button-in-vf-page
If this information helps, please mark the answer as best. Thank you