Planning slab work? Use high-quality river sand for strong, durable results. At Istika, we offer premium river sand perfect for slab casting and other structural needs. Order online from anywhere in Hyderabad and get it delivered to your site. Reliable supply, quality assurance, and great pricing – that’s the Istika promise. Buy now for efficient construction. https://istika.in/building-materials-shop?k=river+sand