pl provide your berth number for specific information. GR has coaches of different capacities of berths - 75, 78, 81, or 84. you can also check your ticket (if confirmed, you will be given your berth number and position of berth - LB, MB, UB or SL, SU or SMB meaning Lower Berth, Middle Berth, Upper Berth. Some coaches have Side Middle Berth while some do not have. kindly chk ur seat number and position.
general seating arrangements has been explained above. in case of further clarifications, pl do write. thanks.