Which companies accept 2 months notice period (Software)?

I want to resign, but my notice period is three months, so most companies don't accept a three-month notice. I know some companies, like TCS, do accept it, and I want to know if there are any other companies that do.

Which Companies hiring 3 months notice period candidates

Why notice perioda are 3 months in most MNC's ??? How to reduce this to 2 months or to 1 month???