गुरु नानक देव जी का इतिहास

🧑‍🏫 Hi, I’m Mr. Surendra Singh, a passionate teacher with a focus on the 🏫 CBSE curriculum.
I share 📚 notes, 📝 study materials, and 🎯 tips to make simple, engaging, and easy to learn.
📖 Let’s explore the past and succeed together! 🚀