With effect from June 1, 2005, BSNL's DIAS Internet Access plans shall be priced as under: Monthly rental plan will be charged at Rs 300, Free usage - 0.5GB (Plan 0)Rs 500, free usage per month - 1.0GB (Plan I)Rs 900, free usage per month at 2.0GB (Plan II) Rs 3000 for Plan III. The usage per month is unlimited for Plan III. Additional usage shall be charged for first three Plans at Rs 2 per MB.The activation charges are priced at Rs 500 for all the Plans. There shall be no security deposit.