Taking on Jio Fiber, Bharti Airtel has upgraded its Xstream Fiber broadband service with new plans starting at as low as Rs. 499 a month and all offer “unlimited” high-speed Internet access.Taking on Jio Fiber, Bharti Airtel has upgraded its Xstream Fiber broadband service with new plans starting at as low as Rs. 499 a month and all offer “unlimited” high-speed Internet access.