There is really no benefit frankly. Its only convenience. With the surge in payment wallets, its actually become a pain to maintain balance and transactions from multiple payment wallets.
Benefit is just that you don't have to go in search of any recharging shop instead you can easily do it in your cellphone. And also you car recharge even in the late night too.
thanks, you are Absolutely right but recharging a mobile phone online is beneficial as you may get to avail many exciting discounts on best top up plans.