B.E.

Hello,
Yes, you can surely do M.Tech in Dairy Technology after doing B.Tech in CSE.
The basic eligibility criteria is that Candidates should possess a graduation degree in dairy technology with the minimum required percentage (usually 50% - 60%) as stipulated by a university/ college.
M.Tech dairy technology is a two-year duration course typically spread over four semesters.
All candidates who have a specific interest in the field of dairy technology and dairy products are apt to pursue the course.
Please visit this link for detailed information about M.Tech in dairy technology
https://www.shiksha.com/engineering/dairy-technology-chp
Hope it helps

I do not know exactly what machinery and infrastructure facilities were available with you in past as well as at present (After renewable). At this stage, you need work orders for execution. So, first you have to register your company with major government. Sectors like Railways, Defence, PWD, Electrical etc. According to your capabilities and infrastructure, you have. After the successful assessment and registration of your company, your company will be able for getting few development orders. After successful execution of development orders your company can be awarded with the regular orders subjected to the lowest rate. So first you have to register your firm with various government. Sectors for as per your interest. Further, MSME, ISO-9001, GST etc. are the activities which needs to be completed before the firm registration process.