Congratulating DO Letter to Senior Officer for Promotion // वरिष्‍ठ अधिकारी को पदोन्‍नति हेतु बधाई देने हेतु अर्ध शासकीय पत्र 

DO or Demi Official Letters are always written on a Printed Letter Head. 

Letter Head of the Institution 

No. .................                                                  Date .........

Name and Complete Address

..............................................

..............................................

<Dear Mr ....... / Honourable etc to be written by hand>

Please accept my heartiest congratulations on your approval to the coveted rank of <Name of the Rank>. This achievement is due to your professional competence, leadership qualities, hard work and dedication to the organisation. I wish you many more laurels and success in future. 

<With warm regards>

<Name / Signature>