केरल सोना तस्करी मामला, कस्टम विभाग ने पूर्व प्रधान सचिव से 11 घंटे तक की पूछताछ
from Navbharat Times https://navbharattimes.indiatimes.com/state/other-states/other-cities/customs-department-questioned-former-kerala-principal-secretary-sivasankar-in-connection-with-the-gold-smuggling-case/articleshow/78598051.cms
