The media agency racked up 18 wins including South Asia Digital and Media agency of the year; Ogilvy won creative high honours.
Gahlaut is slated to replace Bobby Pawar, who is joining Havas Group
Bobby Pawar will move from Publicis where he was MD and CCO.
Srivastava Hough had recently resigned from the agency.
Recently resigned Utopeia partner Mitali Srivastava Hough says Utopeia's formal statement "creating a narrative of partner rivalry" is a "deliberate distraction" to divert attention from sexual harassment claims against Sudarshan Banerjee.
Says she leaves the organisation with the "determination to create an equal, kind and safe workplace for all genders and orientations".
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