Domestic companies are taxed at:
• 25% if turnover or gross receipts in the previous year ≤ ₹400 crore.
• 30% otherwise.

Additional charges:
• Surcharge: 7% or 12% based on income slab.
• Health and Education Cess: 4% on tax + surcharge.

Optional tax regimes under Section 115BAA or 115BAB may allow lower rates (22% or 15%) with conditions.

LLPs are taxed at a flat rate of 30%.
• Surcharge: 12% if income exceeds ₹1 crore.
• Health and Education Cess: 4% on tax + surcharge.
LLPs do not enjoy concessional tax regimes like companies.

Yes. Both must pay advance tax in four installments if the total tax liability is ₹10,000 or more in a financial year.
Due dates: 15th June (15%), 15th Sept (45%), 15th Dec (75%), 15th March (100%).

• Companies: Yes, MAT at 15% (plus surcharge and cess) on book profits under Section 115JB.
• LLPs: MAT is not applicable.

Yes. TDS must be deducted on:
• Salary, contractor payments, rent, professional fees, interest, etc.
• Filing of TDS returns (Form 24Q/26Q) is mandatory.
• TAN (Tax Deduction Account Number) is required.

• LLPs: Not eligible.
• Companies: Not eligible.
Only individuals, HUFs, and partnership firms (not LLPs) can opt under certain conditions.

Surcharge is an additional tax:
• LLPs: 12% if total income > ₹1 crore.
• Domestic Companies:
  ◦ 7% if income > ₹1 crore but ≤ ₹10 crore.
  ◦ 12% if income > ₹10 crore.

Yes. They must:
• Maintain books as per the Companies Act or LLP Act.
• Ensure audit if turnover/capital contribution crosses thresholds.