SARATOGA SPRINGS — The city’s public safety department overspent $903,868 this year in what Commissioner of Finance Minita Sanghvi calls a “dramatic increase” in police and fire overtime and comp time pay.Sanghvi said that she has told Commissioner of Public Safety Tim Coll to get excessive overtime spending under control “from the get-go,” but that he “doesn’t seem to care.”“We do know that overtime has gone up significantly under Mr. Coll,” Sanghvi wrote in an email to the Times Union on Friday. “Some of it may be contractual. But better planning and management…..