This is the most common complaint I hear from Indian businesses twelve months into an SEO engagement. Sessions are up forty percent. The blog is ranking for hundreds of keywords. The enquiry count has not moved at all.
It is almost never a conversion-rate problem, and the fix is almost never a new CTA button.
The two jobs a site does
A site has informational pages, which answer a question, and commercial pages, which sell something. Both are necessary. The mistake is expecting one to do the other's job.
"What is GST on electronics" is informational. Somebody reading it is at the start of something, or doing homework, or a student. "Electronics GST filing service for ecommerce sellers" is commercial. Those two readers do not convert at remotely similar rates, and no amount of CTA optimisation closes that gap.
So when traffic grows but enquiries do not, the first thing to check is which bucket the growth landed in. Nine times out of ten the growth is entirely informational, because informational keywords are easier to rank for, so that is where agencies spend the content budget. The reporting looks excellent. The pipeline does not change.
How to check it in twenty minutes
In Search Console, export your queries for the last three months. Tag each query with a crude intent label: informational if it starts with what/why/how/when or is a bare concept; commercial if it contains a service word, a price word, a location, "best", "near me", "company", "agency", "consultant", or a product model number.
Now sum impressions and clicks for each bucket, and compare that split against where your enquiries come from in analytics. If eighty percent of clicks are informational and ninety percent of enquiries come from six commercial pages, you have found the problem without any further analysis.
What to do about it
Stop adding informational posts for a quarter. Not forever. For a quarter. Nothing bad happens to a site that pauses its blog, and it frees the budget for the part that is missing.
Count your commercial pages. Most Indian service sites have between three and six, and they are organised by what the company calls its departments rather than by what buyers search for. A firm with one "Services" page and one "About" page has one commercial page, not two.
Build commercial pages at the grain of the query. If people search for "GST registration for private limited company", that is a page, not a paragraph inside a general GST page. If they search by city, that is a page per city — written, not generated. If they search by price, the page needs numbers on it, or a range, or at minimum an honest explanation of what drives the price.
Link from the informational traffic you already have. This is the cheapest available win and almost nobody does it properly. You have posts ranking for hundreds of informational queries. Each one should carry one or two contextual links into the commercial page that serves the same topic, in the body, in a sentence that makes sense. Not a sidebar banner. A sentence.
Then look at the commercial pages' own quality. Pricing, process, who you are not right for, proof with specifics, and a contact method that does not require a form with eleven fields. In that order.
The reporting change that follows
Once the split exists, report on it. "Commercial-page impressions" and "commercial-page clicks" as their own line, separate from total traffic. A month where total sessions fall and commercial clicks rise is a good month, and a report built only on sessions will tell you the opposite.
I have written before about the specific pages Indian service sites tend to be missing — pricing, process, and who the service is not for — and that piece pairs with this one: the pages Indian service sites forget to build.
If you want this split done on your own site and a short list of the commercial pages worth building first, that is the kind of diagnostic I run as an SEO expert in India.