The document provides instructions for installing a flexi indoor BTS site at a Maxis location in Delhi. It outlines the necessary equipment, including flexi BTS cabinets, cards, cables, antennas, feeders and mounting hardware. It also describes the installation process which includes preparing the indoor infrastructure, installing and cabling the flexi BTS cabinet, connecting antennas and feeders, and ensuring proper grounding and labeling of all equipment. The document is intended as guidance for installation teams to standardize the flexi indoor BTS setup process.