How to track H1B 2018 since employer has not yer informed about encash of Chek ?

I am working as Software Engineer in a reputed and after my Masters degree from US university under F1 VISA OPT. Now my employer has informed through e-mail on 03rd April 2017 about submission of application for H1B2018 without indication of any reference / proof of submission.From various web pages came to Lottery is over on 13th April 2017 and cheks are being encashing.

Now, it is requested to know about h1b selection and how to check with the available data of mine ?

Your employer/attorney will inform you when they receive the receipt or the checks are cashed. No one else can provide that information. Receipts will continue to be issued and received for next few weeks.