Hearing Centre in Nungambakkam Hearing centre remains closed till May 3. Once the lock down is lifted, Hearing Centre will be back to operations. We do Hearing Testing for Newborns and Adults. Hearing Aids are available from Rs.10000. Hearing Aid Batteries available. P312, P675, P10, P13 Powerone Batteries. Hearing Aid Service will be undertaken from May 4. We do service all brands of Hearing Aids. Resound, Siemens, Phonak, Rexton and Oticon Hearing Aids available.