You can get CHSL COMBINED GUIDE BOOK BY ARIHANT PUBLICATION on various popular e-commerce sites. The price varies from 250-300 rupees based on the site from which you buy and their selling options.

You can simply search 'CHSL COMBINED GUIDE BOOK in hindi' and all the buying options from various e-commerce sites will be displayed to you.

You can also enquire about the price of the book in your nearest bookstore by calling them directly.