<ul data-eligibleForWebStory="false">Bharti Airtel has launched a new Rs 189 prepaid plan aimed at users wanting to keep their SIM active.The plan provides 21 days of service validity, unlimited voice calling, 1GB of data, and 300 SMS for Rs 9 daily cost.The plan may not be suitable for heavy data users but can cater to short-term emergency data needs with data vouchers.Airtel aims to boost market share and ARPU with this new plan, competing with Reliance Jio's similar offering.