Yellow Pages Script Development

I'm looking for a PHP-based business directory script, similar to Yellow Pages, specifically designed for the Indian market.

Key Requirements:
- Supports business listings exclusively.
- Paid advertising options with different tiers via PayPal.
- Paid listings should have priority in search results.
- User interface must be traditional and simple.
- Extremely user-friendly on both the front end and back end.

Ideal Skills and Experience:
- Proficiency in PHP and experience with business directory scripts.
- Knowledge of integrating PayPal for payments.
- Strong UI/UX design skills for creating intuitive interfaces.
- Experience in developing platforms with tiered listing features.

I'm looking for a developer who can deliver a robust, user-friendly solution. Please share relevant experience and portfolio.