निम्नलिखित में से कौन सा 'सकारात्मक भर्ती' (Positive Recruitment) का सही अर्थ है?

Which public administration scholar described 'recruitment' as the 'key to the whole personnel structure' and vital to a powerful civil service?

Arrange the following stages in the career progression of a civil servant in chronological order: 1. Recruitment 2. Selection 3. Promotion 4. Onboarding / Induction Training