Millions of prepaid mobile users risk being cut off in emergencies due to restrictive recharge rules, Rajya Sabha MP Raghav Chadha said in Parliament on Wednesday. Prepaid subscribers make up nearly 90 per cent of India's 125 crore mobile users, the Aam Aadmi Party leader said. He called for longer incoming call validity, extended number deactivation periods, and a rethink of "monthly" recharge cycles for users.