Christian converts copy Hindu tradition of charriot procession in India

Here are file pictures from Christian converts/Missionaries copying Hindu tradition of chariot processions. A question that would raise here is what is that the missionaries and converts are trying to achieve by this copy cat process. Instead they could retain their indigenous religion and respect Christianity.

http://www.daijiworld.com/news/news_disp.asp?n_id=159013
http://www.newindianexpress.com/cities/bengaluru/article1421418.ece
http://www.dnaindia.com/bangalore/report-infant-jesus-feast-today-in-bangalore-1334582
http://www.thehindu.com/news/cities/bangalore/colourful-end-to-infant-jesus-shrine-festival/article4307808.ece