Our detectives are back with the following intel on this WordPress site
The site is using the Vindhem theme by Siddharth Ashok .
We could identify 3 plugins (there might be more) -
Contact Form 7
This information was last updated 24 March, 2017
Just another contact form plugin. Simple but flexible.
Adds Colorbox/Lightbox functionality to images, grouped by post or page. Works for WordPress and NextGEN galleries. Comes with different themes.