You maybe subject to Travel within 30 days from US Visa issuance date, if your #USVisa was approved under National Interest Exception (NIE). There is mixed response on this rule. Read all details, check official links and responses from US Consulates in India & USTravelDocs for the 30 days rule questions at : https://redbus2us.com/us-visa-nie-30-days-rule/
US Visa Approved under National Interest Exception - Travel within 30 Days India Consulates?