Citizen Blood Pressure Monitor — Not working

Address:

606803

Citizen bp monitor ch 606 is not working when on switch the pump so low condition. we change new battery the condition is same. s. no.8011865 the monitor was purchased more than 4 years. the pump of air is not raise
Of the bp monitor. so please give services in chennai give me.

A. arunachalam
91 [protected]
Email [protected]@gmail
4 gandhi road
Polur 606803