Tower or spire, particularly in the context of temples in Indian architecture.

The top or peak of something, often used metaphorically.

किसी चीज़ का शीर्ष या शिखर

English Usage: He reached the sikhara of his career with that promotion.

Hindi Usage: उस पदोन्नति के साथ उसने अपने करियर का शिखर छू लिया।