Phone Dead and no response

Location/place: Uttam Nagar,New Delhi

Name of company/service: MTNL

Respected sir/mam my mtnl landline is dead form about last 15 days i have done complaint sevrel times by telephone,Online and even std complaint no. but there is no reponse from that side and it’s an Govt. company same on them please help me to overcome this problem and take some strict action on them.
my telephone number is-01125632690