Youngest to score a first-class double century for an Indian representative team:
— Sampath Bandarupalli (@SampathStats) August 8, 2019
19 years 334 days - SHUBMAN GILL, Today (India A vs West Indies A)
20 years 124 days - Gautam Gambhir, 2002 (Indian BP's XI vs Zimbabweans)#WIAvINDA