'Relentless' indicates persistent, continuous effort that successfully 'influenced corporate policies,' contrasting with sporadic or desultory approaches.
'Systematic' suggests organized, planned implementation that achieves results like 'financial inclusion,' better than sluggish or haphazard approaches.
'Astute' (keen and sharp) fits the context of observations that 'challenged conventional theories,' implying insightful analysis.
The context indicates endorsement of unregulated schemes drew regulatory scrutiny, suggesting 'reckless' behavior rather than cautious or prudent.
The phrase 'uncertainty' and context suggest the monsoon did not arrive as expected, making 'delayed' the most appropriate answer.
'Exquisite' means extremely fine or precise. The context of 'setting new standards' supports this choice over alternatives.
'Scathing' (harsh and severe) best fits the context of 'criticism from climate activists,' contrasting with the minister's defense.
A rigorous regimen being grueling initially but effective shows justified difficulty.
Lucid narrative and nuanced character development both contribute to an engaging novel.
Rigorous investigation that is well-researched shows consistency in describing thorough journalism.