Dear Harsha, thank you for sharing this interesting technical question with the RG community. It certainly depends on the nature of the alcohol which wou want to use. For example, please have a look at the following interesting article in which a simple method for the esterification of various amino acids with methanol is reported:

A Convenient Synthesis of Amino Acid Methyl Esters

This paper is freely available as public full text (please see attached pdf file).

Good luck with your research work!

I have to perform a reaction with aliphatic alcohol attached to some three-membered heterocyclic ring