Testing of VAS:
Buy all prepaid connections and subscribe to all VAS.
Daily test each and every service.
Keep record of each SMS alert. Fill in the excel file with all the alerts sent and received daily.
Charging details.
Promotions:
Keep a strong check on promotions.
SMS promotions/ daily promotions/ bill investigation promotions.
Market scope:
Do detailed market research about all the services and which service is doing better than the rest and why?