Most Indian SEO agencies sell you a "city page". Kerala laughs at that. A clinic in Kochi serves walk-ins from Ernakulam, planned-procedure travellers from Kottayam, and Gulf-NRI families flying down for cataract surgery. A jeweller in Thrissur ships to Calicut and to Sharjah. One Pin Code does not buy you Kerala. Fourteen districts buy you Kerala. Most agencies aren't built for that, so they pick Kochi, ignore the rest, and bill you the same.
Then there's the calendar. Onam isn't a "festive offer" — it's ten days that decide whether your saree showroom, gold counter, banquet hall or restaurant has a profitable financial year. Vishu in mid-April adds a second spike. Pre-Onam search starts climbing in late June. If your SEO consultant rolls out content in August, the festival is already over for ranking maths. Most do exactly that.
Then layer in the actual market: Malayalam queries from older buyers, English queries from Technopark salaries and NRI returnees, Gulf-IP traffic from Sharjah and Doha hunting "Kerala property", "Kovalam Ayurveda package", "Aster cardiac surgery cost". One generic Indian SEO retainer cannot serve all four buyer types. Kerala needs a consultant who plans for state-level fragmentation, festival cycles, NRI verticals and medical-tourism intent — without padding the invoice.