yeah i know that is for one year , my husband did his medical on Oct 2016 , and now close to Oct 2017 will expire .I think medical is valid for one year, I have done medical on 23rd May 2017, also my application status shows medical was successful
this is the process of application my husband :
1. we received your application On December 21 / 2016
2. we started your application on Jan 6 / 2017 ..... and Jan 15 , i received by email we sent your application in New Dehli .
3. medical results have been received on June 25 .