Shastra Gyan is an Android application developed by PDTanks Tech under the Education & Reference category. This app is a treasure trove of ancient wisdom and knowledge from the Vedas, the most ancient scriptures of Hinduism. It is a perfect guide for anyone who wants to learn about the ancient Indian culture and its practices.

The app has a user-friendly interface with options to choose text size for better readability. It also supports night mode, making it easy to read at night without straining your eyes. The best part is that it is completely offline, so you don't need an internet connection to access the knowledge.

With Shastra Gyan, you can learn about various subjects such as astrology, mathematics, chemistry, medicine, and much more. You can also copy and share the content with a single click. This app is 100% free, making it accessible to everyone who wants to learn about the rich heritage of India.

Overall, Shastra Gyan is an excellent app for those who want to explore the ancient Indian culture and learn from the Vedas. The app is informative, easy to use, and completely free.