Learn English – What does “fag paper” mean in this context

It means that she considers the attorney to be an unimportant clerk rather than an important lawyer

Two bit: small change (ie cheap/unimportant, in this context)-

According to WikiPedia A bit is :

The word bit is a colloquial expression referring to specific coins in various coinages throughout the world.
"Two bits" or "two bit" continues in general use as a colloquial expression, primarily because of the song catchphrase "Shave and a Haircut, two bits." As an adjective, "two-bit" can be used to describe something cheap or unworthy.

Paper pusher: someone who does nothing but push paper around on a desk or delivers paper from one office to another in a push cart

The trick to understanding this advert comes at the beginning:

Here’s introducing iDiva: Five Magazines in One

So the publisher is saying their magazine is the equivalent of five other magazines.

Also they are selling the first issue at a cut down introductory price:

At an introductory price of Rs 5 per copy

So, in their mind, the magazine is cheap even compared to a normal magazine, but because it is five magazines in one, the cheapness is exaggerated by that multiple, so this deal is five times better than any normal discount on a magazine, i.e. five times over.