i am travelling in hwh ypr dutonto.....i did not sleep the whole night....got down at all stations...the exact order i remember was ha1 ha2 a1 b1..even tte on duty spoke to me regarding 2 ha coaches.there was no a2.....but i also spotted east coast exp(HATIA-HOWRAH-HYDERABAD) aftrr dep from hwh.....it had a different ac compo but same coaches....i will travel in jan again and will post pics....MY data is guaranteed and bound to help genuine pax...