Airtail prepaid card connection
After submiting papers two time till phone is not activited

I have purchase Samsung Mobile 22nd June from Ambernath My mobile shopee. Same day we have taken Airtail Card No is 9503889441 it was worked for 2 days after that it was switched off then we had complined to the shop keeper he informed us to paper (documents) agagin again we have given papers till today card is not workging Every day shopkeeper is telling today it will start tomorrow it will start.