IAS
CODEX
U
P
S
C
C
S
E
2
0
2
6
U
P
S
C
C
S
E
2
0
2
6
F
e
a
t
u
r
e
s
F
e
a
t
u
r
e
s
P
Y
Q
P
o
r
t
a
l
P
Y
Q
P
o
r
t
a
l
R
e
s
o
u
r
c
e
s
R
e
s
o
u
r
c
e
s
checking user
checking user
checking user
checking user
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Q69: Environment | UPSC CSE 2016
