Any merchant who is involved in small businesses as per the given line of activities:

• Kirana/General stores
• Mobile recharge/repairing shops
• Food Kiosk/Food stalls/Food vans/Fast food shops etc.
• Tea/Snacks vendors
• Auto/E-Rickshaw vendors
• Small Traders/Service providers
• Retail shops/Outlets
• Small contractors/Cab drivers/Car rental services etc.

Prerequisites
All you need is:

• A savings account with IPPB 
• Any smartphone with android version 5.0 or higher