India is likely to extend the deadline for imposing retaliatory customs duties on 29 US products, including almond, walnut and pulses, by another 14 days, a source said. The commerce ministry is expected to recommend to the revenue department, under the finance ministry, to extend the deadline for imposing higher tariffs. The current deadline will end on May 2. "The ministry will recommend extension of the deadline on retaliatory tariffs on imports from the US by another 14 days," the source said.