I wish to express my sincerest gratitude to my mentor, the illustrious Professor M K Rai, Head, Department of Biotechnology, Amaravati University, Amravati, Maharastra, for critical suggestions, help, guidance and encouragement all through my research career.

I would like to thank Professor S A Brown, Ex-Principal, Danielson College, Chhindwara, from the core of my heart, for uplifting my spirits in the testing times and augmenting my motivations besides going out of the way to provide me support and lab facilities during my research and showing me a path of courage and success even today.

I wish to express all my thanks to Dr Sanjay Pawar who is gem of a person; he is still active part of my Patalkot mission.

I am delighted to have friends like Dinesh Gautam, Amit Rupda, Raman Gupta, Manish Shrivastava, Pandula Sreehari, Dhananjay Pane, Shailendra Ujwane, Anshu Shrivastava, Alok Shrivastava in my life. They are everything for me.

I would like to express my gratitude to Mr Santosh Gautam, Mr Satyajeet Dholey, Abhijeet Dholey, Sanjay Soni, Ajay Gupta, Poorvi Reddy, Paridhi Nama, Dr Vatsala Sharada, Anitha Babusekhar, Mamta Gupta, Moumita, Reema Bedi and all my friends for being with me always.

Special thanks to Mr Ravindra Nafde, Mr Naveen Malviya (Jeemi), Mr Panna Lal Raut, Mr Lakhan Sahu, Mr Dinesh Shakrawar for supporting me during my research tenure at Danielson College, Chhindwara.

I can not forget to mention about Mr Pradeep Jain (Babla), Paras Printing Press, Chhindwara, whose life inspired me. I learnt how to survive during odds in life. He is my inspiration. I must thank him for boosting me up all the time.

I am delighted to have a sister in Guyana, Mrs Kamini Ramrattan. She encouraged me a lot all these years. Thanks are due to Pooran Jijaji and Beena too for their love and blessings.

.. read in detail