<s>
Bhuvan	B-Application
,	O
(	O
lit	O
:	O
Earth	O
)	O
,	O
is	O
an	O
Indian	O
web	O
based	O
utility	O
which	O
allows	O
users	O
to	O
explore	O
a	O
set	O
of	O
map	O
based	O
content	O
prepared	O
by	O
Indian	O
Space	O
Research	O
Organisation	O
.	O
</s>
<s>
Bhuvan	B-Application
is	O
known	O
for	O
its	O
association	O
with	O
various	O
sections	O
of	O
Government	O
of	O
India	O
to	O
enable	O
the	O
use	O
of	O
Geospatial	O
technology	O
.	O
</s>
<s>
Bhuvan	B-Application
has	O
since	O
its	O
inception	O
enabled	O
Indian	O
government	O
to	O
host	O
public	O
geospatial	O
data	O
as	O
Information	O
layers	O
for	O
visualisation	O
and	O
public	O
consumption	O
.	O
</s>
<s>
ISRO	O
launched	O
the	O
beta	O
version	O
of	O
its	O
web-based	O
GIS	B-Application
tool	O
,	O
Bhuvan	B-Application
,	O
on	O
August	O
12	O
,	O
2009	O
.	O
</s>
<s>
Bhuvan	B-Application
offers	O
detailed	O
imagery	O
of	O
Indian	O
locations	O
compared	O
to	O
other	O
Virtual	B-Application
Globe	I-Application
Software	O
,	O
with	O
spatial	O
resolutions	O
ranging	O
up	O
to	O
1	O
metre	O
.	O
</s>
<s>
Since	O
the	O
launch	O
of	O
Bhuvan	B-Application
,	O
users	O
have	O
experienced	O
various	O
difficulties	O
.	O
</s>
<s>
One	O
problem	O
is	O
that	O
the	O
Bhuvan	B-Application
site	O
has	O
,	O
at	O
various	O
times	O
,	O
been	O
either	O
inaccessible	O
or	O
very	O
slow	O
(	O
due	O
to	O
less	O
band	O
width	O
and	O
servers	O
)	O
.	O
</s>
<s>
But	O
now	O
with	O
new	O
website	O
Bhuvan	B-Application
portal	O
is	O
fast	O
and	O
responsive	O
.	O
</s>
<s>
Bhuvan	B-Application
wiki	O
is	O
a	O
web	O
application	O
designed	O
for	O
publishing	O
information	O
and	O
engaging	O
Bhuvan	B-Application
users	O
for	O
sharing	O
and	O
contributing	O
their	O
knowledge	O
to	O
other	O
users	O
.	O
</s>
<s>
It	O
is	O
useful	O
to	O
all	O
Bhuvan	B-Application
users	O
in	O
finding	O
topics	O
of	O
their	O
interest	O
to	O
explore	O
.	O
</s>
<s>
However	O
now	O
Bhuvan	B-Application
is	O
improving	O
and	O
does	O
not	O
require	O
Login	O
to	O
visualize	O
the	O
maps	O
.	O
</s>
<s>
Users	O
need	O
to	O
register	O
only	O
when	O
they	O
wish	O
to	O
download	O
satellite	O
data	O
(	O
up	O
to	O
25m	O
resolution	O
LISS-III	O
data	O
)	O
and	O
products	O
(	O
like	O
NDVI	O
,	O
OHC	O
datasets	O
,	O
Cartosat	O
Digital	B-Application
Elevation	I-Application
Model	I-Application
etc	O
.	O
)	O
</s>
<s>
To	O
overcome	O
the	O
Plugin	O
restrictions	O
and	O
platform-dependency	O
for	O
3D	O
-visualization	O
,	O
Bhuvan	B-Application
has	O
come	O
with	O
a	O
WebGL	B-Library
based	O
open-source	O
virtual	B-Application
globe	I-Application
.	O
</s>
<s>
It	O
only	O
requires	O
WebGL	B-Library
enabled	O
browsers	O
.	O
</s>
