Welcome to the channel<br />"RAINBOW DIARY"<br /><br />This channel aims to provide you Scientific facts, Technical Facts, Educational facts, Historical Facts and so on.<br />इस चैनल का उद्देश्य आपको वैज्ञानिक तथ्य, तकनीकी तथ्य, शैक्षिक तथ्य, ऐतिहासिक तथ्य आदि प्रदान करना है।<br /><br /><br />Friends help me in growing my channel so that I can provide more and more videos of the following topics.<br />I humbly request you to Like, Comment and Share our videos. Subscribe to our channel for getting latest notification of our videos.<br /><br />For any queries, contact to this mail ID - [email protected]<br /><br />Thank You !