98. The House had also been informed that in order to prevent coaches from climbing over each
other in case of an accident tightlock center buffer couplers would progressively be introduced. In this
respect, apart from the new coaches of German design, which have this feature, ICF design coaches are
also fitted with such couplers, and it is planned that...
more... the following long distance 24-coach trains shall also be
fitted with these couplers:
i. Tamil Nadu Express from Chennai to New Delhi
ii. Andhra Pradesh Express from Hyderabad to New Delhi
iii. Godavari Express from Hyderabad to Visakhapatna