Ongoing Web Developer Needed for E-commerce

READ THOROUGHLY BEFORE BIDDLING. LUMPSUM BID NOT EXPECTED. For our website need developer on long-term call out basis. Please provide your fixed per-unit pricing for the following three recurring tasks: 1... (Budget: ₹12500 - ₹37500 INR, Jobs: B2B Marketing, CSS, HTML, JavaScript, PHP, SEO, Web Development, Website Design, WordPress)