स्वागत!  नमस्कार Gaurav singh patel जी! आपका हिन्दी विकिपीडिया में स्वागत है।

-- नया सदस्य सन्देश (वार्ता) 13:54, 31 जुलाई 2020 (UTC)उत्तर दें

Gaurav Singh Patel संपादित करें

Gaurav Singh Patel is a mechanical engineer, researcher and writer. He has written many of books and research paper that is published at international level. 2409:4050:2D0E:AE4A:0:0:CDCB:980F (वार्ता) 18:09, 12 मार्च 2023 (UTC)उत्तर दें