"Lucent's Samanya Gyan" (ल्यूसेंट का सामान्य ज्ञान) by Sunil Kr. Singh is an essential book for those looking to enhance their general knowledge in the Hindi language. This book has gained immense popularity as a comprehensive and reliable resource for various competitive exams and general knowledge enthusiasts in India.\n"Lucent's Samanya Gyan" by Sunil Kr. Singh is not just a book for exam preparation but also a valuable resource for anyone seeking to expand their knowledge about India and the world. It's a go-to reference book that provides a solid foundation for individuals interested in improving their general knowledge and staying updated with current events and trends. Whether you're a student, a job aspirant, or just a curious learner, this book is a must-have for your personal library.