Installation charges for BSNL landline, broadband, or FTTH (Fiber to Home) services can vary based on location and promotional offers. Generally, BSNL offers installation at nominal or discounted rates, and sometimes even for free as part of special promotions. It's recommended to directly contact BSNL or visit their official website to get accurate and up-to-date information about installation charges specific to your location and the services you're interested in.