Building a home is a significant investment. Understanding the cost breakdown can help you budget effectively and make informed decisions. Here’s a look at the estimated costs for a G+2 Building, considering the given percentages:

1. Designing (0.63%): This covers architectural plans, structural designs, and other necessary drawings. 

2. Civil Labour (21.13%): This includes labor costs for excavation, foundation work, masonry, and concrete work.

3. Civil Material (31.69%): Costs of materials like cement, P sand /M sand, Red bricks, aggregates, and steel

4. Miscellaneous (0.29%): Covers minor expenses not included in other categories Like Drinking water, Workers Toilet, Site Arrangements.

5. Electrical Labour (1.27%): Labor costs for electrical wiring, installation of fixtures, and other electrical work.

6. Electrical Materials (2.96%): Costs of wires, cables, switches, sockets, and other electrical components.

7. Plumbing Materials (3.38%): Costs of pipes, fittings, fixtures (taps, showers), and other plumbing components.

8. Plumbing Labour (1.27%): Labor costs for plumbing installation, including piping, drainage, and fixture installation.

9. Paint Materials (1.69%): Costs of paints, primers, Patti and other painting materials.

10. Paint Labour (2.96%): Labor costs for painting the interior and exterior of the house.

11. Doors and Carpenter(4.65%): Costs of Teak doors and Room Wooden Flush doors, Toilet Wpc (Wood polimer cast)  doors (wood, aluminum, or other materials) with Labor costs for carpentry work.

12. Windows (UPVC) (2.54%): Long Window and Bedroom Windows installation and other materials.

13. Grills, Gate & Handrails (4.65%): Costs of metalwork for Safety grills, Main Gates, and Staircase and Balcony handrails.

14. Flooring- Tiles & Granite Materials (5.07%): Costs of Floor and wall Tiles, Kitchen Granite and other flooring materials.

15. Tiles Work Labour (2.11%): Labor costs for tile laying and flooring installation.

16. Waterproofing (0.63%): Costs of waterproofing materials and labor for waterproofing areas like bathrooms, balconies, terraces and wet areas.

17. Supervision & Consultation (13%): Costs of project management, site supervision, and consultations with engineers and architects.

Important Notes:

• These are estimated costs and may vary significantly based on location, material choices, labor costs, and other factors.
• This Cost breakdown does not include costs for furniture, appliances, landscaping, or any unforeseen expenses.
• Always consult with local builders, contractors, and architects for accurate and personalized cost estimates.

This breakdown provides a general idea of the potential costs involved in G+2 Building. By carefully considering these factors and working with experienced professionals, you can plan and budget for your construction project effectively.