A 24 kali frock would need 7 meters of fabric ~ 3.5 meters of one kind and 3.5 meters of another kind if you want a mix-match feel.
Ready made Silk/jamavar borders are available at lace shops but sometimes you have to buy the cloth and ask the tailor to cut or the borders. The salesmen usually know how much border you need to buy if you tell them the gher measurement.