Vat + cst

hello everyone, i have recently started an propietersip firm dealing garments in maharashtra. my raw material is purchased from delhi at present , it is then dispatched to delhi labours for finishing them into readymade garments and then dispatched directly to various other states, like andhra pradesh, noida , karnataka and even maharashtra too. so where do i stand in regarding to vat and cst status.. what do i need to regarding the same:- 1) do i need to file for vat in maharashtra as well as delhi( at present m not showing any office in delhi ) 2) what will be percentage for vat and cst to be charged to transactions.. 3) what documents i need to keep for records.. 4) or shall i dispatch the goods from maharashtra rather than direct delhi... luking forward for an great deal of advice from an esteemed club