Mostly 3-4 rounds.
VP round - Knowledge on Fixed Income markets, types of indices, team handling questions.
Director (India) round - Specific questions on Index value calculations, widely tracked indices & their construction, design, questions on leadership.
Director (Germany) - Detailed questions on bond pricing, valuation, impact of liquidity, issue size, coupon on index design, pricing & construction. Project management questions.
HR - Analytical or logical reasoning questions.