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Seat 50 in AC 3 Economy is a Middle Berth

Main bay, first tier. Middle of Coach. This berth has no window of its own.

What you get on seat 50

Middle Berthबीच वाली बर्थ (मिडल)

MB · Seat 50 · AC 3 Economy

Bay 7 · berths 49–56 · seen from the aisle

Main baySide

50 is the 2nd berth of bay 7, so it is a middle berth.

Berth type
Middle Berth
Code
MB
Window
No
Comfort
4/10

Middle Berth tips · काम की बातें

  • Stays folded until night, so you share the lower berth by day
  • Good for light sleepers - less disturbance
Newer LHB 3E rakes carry 83 berths and add a Side Middle berth, which shifts the numbering. This layout is the 72-berth variant.

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Which seat numbers are which in AC 3 Economy

8 berths per bay (6 main + 2 side) x 9 bays. The pattern repeats along the coach, so the same position in every bay carries the same berth type.

Lower berth (LB), 18 of them

1, 4, 9, 12, 17, 20, 25, 28, 33, 36, 41, 44, 49, 52, 57, 60, 65, 68

Middle berth (MB), 18 of them

2, 5, 10, 13, 18, 21, 26, 29, 34, 37, 42, 45, 50, 53, 58, 61, 66, 69

Upper berth (UB), 18 of them

3, 6, 11, 14, 19, 22, 27, 30, 35, 38, 43, 46, 51, 54, 59, 62, 67, 70

Side lower (SL), 9 of them

7, 15, 23, 31, 39, 47, 55, 63, 71

Side upper (SU), 9 of them

8, 16, 24, 32, 40, 48, 56, 64, 72

Newer LHB 3E rakes carry 83 berths and add a Side Middle berth, which shifts the numbering. This layout is the 72-berth variant.