By now kaurm may have made more than one trips to Delhi. But here are general observations at Bbay airport.
They dont bother about this stuff unless you have something thats a red flag. After six trips to Bbay, I have only had to "pay up" once. Naivette on my part was to blame rather than greed on their part.
Personally speaking, after taking almost the whole kitchen to India, I advice anyone against it. Two reasons, the voltage stepdown from 220V to 110V and voltage fluctuations cause unstability in the product, leading to malfunction or total breakdown, and secondly, all of these products are now available in India at almost equal cost. Why lug it all the way there.
Hope this helps.