Does Apple care plus cover for theft ?

File a claim if you have AppleCare+ with Theft and Loss coverage - Apple Support

"AppleCare+ with Theft and Loss is available only for iPhone in Australia, France, Germany, Italy, Japan, Spain, the United Kingdom, and the United States."

If you mean you have a policy that does cover theft and loss but are asking about an event that happened in India, see the links in the above document for details for your area's policy. The easiest way will likely to be to just try to file a claim.