The process of connection to customers from MTNL Delhi, is for a limited time that is defined with their select plans, and as per the plan, customers need to make their MTNL delhi bill payments dues clearly regularly. In case of delay in payment a spare of a few days will be given and later the connection to the customer will be deactivated, and this connection which is deactivated by delay in payment will be automatically initiated, once you have cleared all your pending due for your account in MTNL Delhi.