Rajasthan Technical University (RTU) issues Official Transcripts through Post. You have to apply physically at Kota. If not possible, tell someone to do it on your behalf.
Make sure the following documents are ready :
Go to the RTU office Kota and write an application and attach a copy of all the above-mentioned documents along with a soft copy of the transcript format. They will give you the hard copy of the transcript in 1-2 hours. The price is around INR 600 for the transcript.
All the instructions are mentioned on the website. You will get the required number of transcripts directly to your doorstep within 10–15 days, so try planning it early.