Multi-Platform Listings & Ad Campaigns

I have 4 food staples ready for a wider audience—black salt, rock salt, sabudana and makhana. High-resolution images are in place; what I still need are compelling, keyword-rich descriptions, flawless listings and performance-oriented advertising on Amazon, Flipkart, JioMart and Blinkit... (Budget: ₹1500 - ₹12500 INR, Jobs: Amazon, Content Writing, Digital Marketing, Google Adwords, Internet Marketing, Link Building, PPC Marketing, SEO)