A. Therefore, hiring the services of a coordinator to execute the associated tasks is a good idea.
B. The fact is, a well planned wedding would be a remembrance for a life time.
C. With myriad functions taking place, a wedding ceremony is nothing shortof a theatrical production.
D. Indian weddings are usually elaborate affairs.
E. With many details for each function to be considered, it becomes so important to plan to streamline the process.

Let us understand the central theme of the passage, 
The five sentences revolve around the theme of weddings. We are looking for a sequence of sentences that introduce the idea of weddings, highlighting their importance and showcasing the need for a wedding planner. 
Let us look at the sentences that can give us this sequence, 
A. Therefore, hiring the services of a coordinator to execute the associated tasks is a good idea.
B. The fact is, a well planned wedding would be a remembrance for a life time.
C. With myriad functions taking place, a wedding ceremony is nothing shortof a theatrical production.
D. Indian weddings are usually elaborate affairs.
E. With many details for each function to be considered, it becomes so important to plan to streamline the process.

D is the sentence that introduces the idea of Indian weddings and their importance. C follows it up by showcasing the grand scale of these weddings. E is the next sentence, which talks about the tiny details and how it is important to streamline the process. A fit-in next shows how this streamlining can be done by hiring a wedding planner. And B concludes the paragraph by stating the long-lasting importance of a well-planned wedding. 

Hence, the correct order is, DCEAB