Black Friday sale are perfect if you are looking for electronics that aren't easily available in India. Black Friday is the day after Thanksgiving Day in the US. The day marks the beginning of the holiday shopping season most deals run out within hours, some are available over the weekend and make it to the Cyber Monday sale.
Major online retailers like Amazon do ship internationally, even though they limit the products that are eligible for global shipping. Another option is to get someone to bring along products in case you have relatives in US since they are atlease >50% cheaper than getting those electronics in India especially laptops and tablets.