MTNL Broadband (Mumbai) has announced a limited period offer for its customers who want to book Unlimited Broadband plan of Rs. 599 and above. Under the newly announced scheme onetime activation and testing charges worth Rs 300 will be waived off. MTNL offers various unlimited monthly plans, DSL unlimited 599 with 512 kbps speed and monthly rental of Rs. 599, DSL unlimited 749 with 752 kbps speed and monthly rental of Rs. 749, and DSL unlimited 999 with 1Mbps speed and monthly rental of Rs. 999, other higher speed unlimited plans are also available.