CleverTap, an AI-powered customer lifecycle and user retention platform, on Tuesday said it has raised USD 35 million (over Rs 250 crore) in series C funding, led by existing investors Tiger Global Management and Sequoia India. This new funding increases CleverTap's external investment to USD 61 million since the beginning of 2019 a period that has seen the company's valuation more than double from USD 150 million to USD 385 million, a statement said.