Reliance Jio Infocomm — invoice not received of jifi2s & sim

Address:

South West Delhi, Delhi, 110015

I have purchase JioFi router model no M2S from JIO executive Mr. Shashank Sharma contact no - [protected] of Jio centre Naraina New Delhi on 28.03.2018, i have paid him Rs.1497 through paytm and he assure me to provide the invoice for the same next day, but still following for the invoice and he is also not picking my calls. also call in naraina jio centre but no response from them. my Jiofi router is not working properly how can i replace or repair the same, i request you to please refund my money or replace the same ASAP.