Officials said the 90-member Border Security Force camel-mounted troops and band contingent has not been practising during the dress rehearsals of the event being held here, in the absence of official directions.
"While the contingent is in Delhi since the last few months, it has not been included in the rehearsals as there are no official orders issued in this regard," they said.
The majestic and elegantly dressed four-legged 'ship of the desert' belonging to the border guarding force first became a part of the national festival celebration in 1976 after it replaced a similar squad of the army which had been participating in the Republic Day parade since the first such event in 1950.
While the first contingent showcases smartly dressed BSF border guards with weapons riding camels, the second follows with bandsmen in beautiful multi-colour dresses on the back of camels playing martial music.
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French President Francois Hollande is the chief guest of this year's event with dignitaries like President Pranab Mukherjee and Prime Minister Narendra Modi among others and general public.
The BSF camel contingent is the inheritor of the heritage of the Bikaner Royal Camel Force, known as 'Ganga Risala', and is based in the border town of Jaisalmer in Rajasthan.
Every year it travels to Delhi in November to participate in the Raising Day event of the BSF on December 1 and the Republic Day parade after which it retreats to its base.
The BSF is country's largest border guarding force of the country raised in 1965 and it is mainly tasked with securing Indian frontiers with Pakistan and Bangladesh.