Joister Infoserve Pvt Ltd - Asking for refund

I have **mbps yearly plan activated in December ****,on **apr **** my connection was lost due fiber cut(the reason they said),so from **th apr there was curfew in solapur due to coronavirus pandemic,so they are not allowed to do any field work as they said but after **days there work has resumed but not my connection,i jave called them ****s of time they they have not responded till june *th,on june *th they came see problem and resolved my connection after * days ,after resolving only * hr my connection was on. After i have called them ***s of time they not responding,there technician have blocked me on whatsapp and calls also. i am asking refund of my remaining days of plan and ** days ghat are lost from **th apr to ** june .i have emailed them many times regarding that but they dont reply. And there customer service representative is so rude behaviour. I raising complaint for asking refund.