An estimation that is derived from indirect measures rather than direct assessment.

अप्रत्यक्ष अनुमान

English Usage: The indirect estimation of the project's costs revealed significant underfunding.

Hindi Usage: परियोजना की लागत का अप्रत्यक्ष अनुमान महत्वपूर्ण कमी को उजागर करता है।