For a budget of 4K get a klipsch S4 or Ultimate Ears 350.
Klipsch Image S4 Headphone - Klipsch: Flipkart.com
Ultimate Ears 350 985-000296 Headphone - Ultimate Ears: Flipkart.com
Ebay link:
Klipsch Image S4i Premium Noise Isolating Headset with 3-Button Apple Control | eBay
Checkout this link for detailed review of IEM's ranging from 60-100$.
Multi-IEM Review - 268 IEMs compared (ViSang VS-K1 added 01/03/13)