Dear Mr. Thitiwat,
W.r.t. with you regarding required document for VISA of Mr. Sandeep is as given below towards Mitr-Kaset:
1) Invitation letter
2) Document required from Sr. No 10- 16 in attached pdf sheet .
Kaushalendra Singh
Dy. Manager , (Construction & Commissioning)
Enviropol Engineers Pvt Limited
Noida , UP , 201307