This post (with pics) is most helpful for NID guys, although all the other design aspirants go through this, either for GK or as a fun as the pics and links are knowledgeable.
Textile Art and Crafts of India
Source and for more information - Kuningansaru website
Fabric Tour of India
Source and for more information - Craftsvilla website
(this website has good details on fabrics with detailed explanation, if you have time, go through it)
Languages of India
source - kottke.org
India wildlife map
Source : GreenHumor
India status
A glimpse on Patterns
source - sublime-decor
Different Sarees
source : jewel art online blog
The following links might interest you