Rapid YouTube and Instagram App Channel Growth

My mobile-app is about to launch and I want its YouTube channel and instagram to start strong. The channel is not yet set up, so the first step will be creating and branding it from scratch—artwork, profile copy, playlists, tags, everything that signals credibility... (Budget: ₹600 - ₹1500 INR, Jobs: Analytics, Branding, Content Creation, Digital Marketing, Influencer Marketing, Instagram Marketing, SEO, Social Media Management, Social Media Marketing, Video Editing)