On-Page & Off-Page SEO Boost

I need to push a set of carefully selected keywords higher in Google. To do that, I want a balanced approach: on-page tuning to make every target page as search-friendly as possible, and off-page outreach that earns links only from websites operating in the same industry as mine... (Budget: ₹1500 - ₹12500 INR, Jobs: Analytics, Content Marketing, Content Strategy, Internet Marketing, Keyword Research, Link Building, Search Engine Marketing, SEO)