Gross Profit Ratio:
The gross profit ratio is a profitability ratio that measures the percentage of gross profit earned on sales. It indicates the efficiency of a company's production or purchasing process. The formula to calculate the gross profit ratio is:

Gross Profit Ratio = (Gross Profit / Net Revenue from Operation) * 100

Given that the Net Revenue from Operation is 30,00,000 and the Cost of Revenue from Operation is 15,00,000, we can calculate the Gross Profit as follows:

Gross Profit = Net Revenue from Operation - Cost of Revenue from Operation
Gross Profit = 30,00,000 - 15,00,000
Gross Profit = 15,00,000

Now, we can calculate the Gross Profit Ratio:

Gross Profit Ratio = (15,00,000 / 30,00,000) * 100
Gross Profit Ratio = 50%

Therefore, the Gross Profit Ratio is 50%.

Debt Equity Ratio:
The debt equity ratio is a financial ratio that indicates the proportion of a company's financing that is provided by creditors compared to shareholders. It measures the solvency of a company and its ability to meet its long-term obligations. The formula to calculate the debt equity ratio is:

Debt Equity Ratio = Total Debt / Shareholders' Equity

Given that the Debenture is 8,00,000 and the Equity Share Capital is 16,00,000, we can calculate the Total Debt and Shareholders' Equity as follows:

Total Debt = Debenture
Total Debt = 8,00,000

Shareholders' Equity = Equity Share Capital
Shareholders' Equity = 16,00,000

Now, we can calculate the Debt Equity Ratio:

Debt Equity Ratio = 8,00,000 / 16,00,000
Debt Equity Ratio = 0.5

Therefore, the Debt Equity Ratio is 0.5.

Working Capital Turnover Ratio:
The working capital turnover ratio is an efficiency ratio that measures how effectively a company utilizes its working capital to generate sales. It indicates the number of times the working capital is turned over in a given period. The formula to calculate the working capital turnover ratio is:

Working Capital Turnover Ratio = Net Revenue from Operation / Working Capital

Given that the Current Liabilities is 8,00,000 and the Current Assets is 14,00,000, we can calculate the Working Capital as follows:

Working Capital = Current Assets - Current Liabilities
Working Capital = 14,00,000 - 8,00,000
Working Capital = 6,00,000

Now, we can calculate the Working Capital Turnover Ratio:

Working Capital Turnover Ratio = 30,00,000 / 6,00,000
Working Capital Turnover Ratio = 5

Therefore, the Working Capital Turnover Ratio is 5.

In summary:
- Gross Profit Ratio: 50%
- Debt Equity Ratio: 0.5
- Working Capital Turnover Ratio: 5