net market business is nothing but representation of your online office, the transactions taken place in net business or e commerce is subject to relevant taxes, i.e if sales of goods are effected than vat/cst, if services offered through net then service tax, if sale of goods from self manufacture then excise / vat/cst.
if u earn from net by solving something or posting something, then its IOS/ income from professional services.
Will it still be professional receipts if you do not hold a profesional qualification in this field and employ a staff of 10-20 people (all non-professionals by qualification) who togetther carry out this?