Have travelled in 1A,2A and 3A. Really nice food and service, especially in 1A(obviously). 'Continental' food available in 1A.
Focus on hygiene and cleanliness is apparent. A generalization, but people prefer buying 2A tickets on this train because of apprehensions about the crowd in 3A, hence the large number of 2A coaches !
ISO-Certification is proudly flaunted off!