Srilankan Airlines — Missing Baggage

Address:

Chennai, Tamil Nadu

We have lost our baggage on 25/05/2011 from Rome to Chennai via Colombo on transit. Repetadly comunicate you, but respond are not satisfactory, last 15 day they told that your complaint forwarded to complaint cell till now we have not received a single call from them.
We are highly dissatisfied with this airlines and would like to know where can I fight for justice?
Thanks,
subrat
[protected]
[protected]@yahoo.com