The expectation is reasonable and quite possible.
To get there, you may learn more about the following:
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All formats of content, long and short.
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SEO - You're already at it.
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Paid Ads - Meta and Goggle you're aware of. Learn LinkedIn Ads.
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E-commerce Ads - While your current company may not offer this possibility, lookout for freelancing projects that does this.
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Email marketing - Important for all sorts of business.
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Marketing Automation - If you can show your future employers how you can create for them a well-oiled marketing machine that requires less human intervention, you definitely have a better chance of getting hired.
An MBA is not going to be a deal breaker but can definitely add some brownie points.
Distance MBA from only reputed organisation is advisable, e.g., IIMs, IMT Ghaziabad, XLRI, etc.