1. Geyser Installation
Electric Geyser Installation:
Basic Installation: ₹3,000
If additional plumbing or electrical work is needed, the cost may go up to  ₹6,000 or more.

Gas Geyser Installation:
Basic Installation: ₹4,500
Costs may increase if a gas pipeline or vent installation is required.
2. Geyser Repair 
Thermostat Replacement: ₹1,500
Heating Element Replacement: ₹2,500
Leak Repair: ₹1,500 (depending on the severity of the leak)
Gas Valve/Regulator Repair or Replacement: ₹2,000
3. Geyser Servicing 
Basic Servicing (Inspection, Cleaning, and Maintenance): ₹700

Includes checking the thermostat, flushing the geyser, and cleaning the heating elements.
Comprehensive Servicing (Includes part replacement if needed): ₹2,000

This includes detailed inspection, part replacements (if necessary), and cleaning of the geyser system.
4. Other Considerations
Emergency Service Charges:
Many service providers charge extra for after-hours or emergency services. Charges can range from  ₹1,500 depending on the urgency.
Replacement of Parts:
Parts such as thermostats, heating elements, or valves can vary significantly in cost depending on the brand and type of geyser. For example, replacing a heating element in a branded geyser might cost ₹2,500, while a generic model might cost ₹1,500.