You've ordered a good set of ready-to-eat Indian meal kits. Maybe it's a pack of paneer tikka for travel, some palak paneer for late-night dinners, or a week's worth of pav bhaji and masala rajma for the office. Now the question is: where do you put them, and how do you keep them good until you're ready to eat? This isn't a trivial question. Indian meal kits use different preservation methods,...