Yantra Shakti Aur Sadhana यंत्र शक्ति और साधना (Hindi) by Bhoj Raj Dwivedi
This book contains rare Yantras of Hindus, Muslims, Jains, Buddhist and Brahmins cults. Methods of preparation and use of Yantras have been explained in detail. Time for the preparing and waring is to be followed as explained in this book. Articles to be used have been simplified as available in the market commonly. Pooja of Yantra is to be performed before use, such methods have been elaborated with care for use of the Sadhakas. Digital and Mohammadan Yantras have too been provided with care and accuracy. All the Yantras which have proved successful by use have been indicated specially. The others be used and tested by Sadhakas.