Unfortunately immigration wise your only option is h1b. To apply h1b via the company you start you should prove that you don't control that company. This means having a US co-founder and getting funded (thus bringing your equity to less than 50%). Even with all this getting h1b is still a uncertainty as you may not win the h1b lottery process.

I would suggest to run your startup from India but incorporate in US. FreshDesk is the best example following this model