ji janab... lets start... we will go step by step...
to kisi bhi desh ki currency ki value mainly uske import vs export ratio pe depend karti hai... agree???
(PS : or bhi factors hote hain jaise Inflation differentials, political stability, gold reserves etc... but IE ratio inme most important hai...)
And none of these factors for the time being are resulting in depreciation of rupee. The main reason is US economy strengthening and read the connection here: http://blogs.reuters.com/india-expertzone/2013/07/10/why-the-rupee-is-linked-to-jobs-in-the-u-s/
Forget Congress, even if Modi were the PM situation would have been no different
By the way- I am deliberately not chasing your MNREGA comment because you yourself know it has no co-relation with our currency value