documentclass[letterpaper, 10pts]{scrartcl}
usepackage{fontspec}
usepackage{polyglossia}
usepackage[Latin,Devanagari]{ucharclasses}
setmainfont{Charis SIL}
% Maybe Sanskrit 2003 doesn't need the following line;
% in this case change devanagarifont in the setTransitions
% commands to normalfont
newfontfamily{devanagarifont}{Sanskrit 2003}
% choose the font for English
newfontfamily{englishfont}[Ligatures=TeX]{Charis SIL}
setmainlanguage{hindi}
setotherlanguage{english}
setTransitionsFor{Latin}
  {hyphenrules{english}englishfont}
  {hyphenrules{hindi}devanagarifont}
setTransitionsFor{Devanagari}
  {hyphenrules{hindi}devanagarifont}
  {hyphenrules{english}englishfont}
%----------------------------------------------------------------------------------------------
usepackage{fancyhdr, tikz, eso-pic}
usepackage[pdfauthor={Vaibhav Banait},%
pdftitle={Consultation},%
pagebackref=true,%
]{hyperref}
usepackage[headsep=3 cm,top=5 cm, bottom=5 cm, footskip=1 cm]{geometry}
%usepackage{bookman}
AddToShipoutPicture{%
  AtTextUpperLeft{%
    makebox(420,75)[lt]{%
      small%
      begin{tabular}{@{}*{3}{p{3.5cm}}@{}}%
      textbf{Name}newlinemypatient&%
      textbf{Date of birth}newlinemydate&%
      textbf{Address}newlinemyaddress%
      end{tabular}%
}}}
pagestyle{fancy}
fancyhf{}
fancyhead[LO]{{large  DR ABCD} \ MD, DNB, DM\Gastroenterologist\ Reg No XXXX}
    fancyhead[RO]{{large DR CDEF }\ MBBS, DOMS \Eye surgeon \ Reg No 2000/xx/xx}
renewcommand{footrulewidth}{0.4pt}%
fancyfoot[CO]{{scshape XXXX CLINIC}\ 148, XXX Nagar,\  CITY 75 \ Phone: xxxxxxxxx, 0986xxxxxx6}

usepackage{titling}
posttitle{parend{center}}
setlength{droptitle}{-80pt}
title{}
author{}
begin{document}
section{History}