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At this juncture I thank my whole family for encouraging me and
providing help at each and every stage to fulfill this task. I would also
like to convey my pleasant regards and thankfulness towards Utkarsh,
Tanmay, Uday uncle, Jagruti aunty, Dadaji, Dadiji and Kirit kaka for
their constant care, support and encouragement.
I am also thankful to all my maternal and parental relatives for
their constant moral support especially Trividya masi and whole
Avashia family for encouraging me throughout my post graduation till
Ph. D.
Words are inadequate to thank my most beloved friends and
colleagues Anchal Kulshrestha and Gaurang Dubal, who were always
with me since the time of post graduation up to Ph. D., helping me in
all situations. Their constant support, care and moral boost always
kept me encouraged in all the difficult situations. I will never forget
their all kind concern, help, best wishes and that they have done for
me. I am really very much thankful to God for giving me such nice
friends.
I would like to express my deep sense of gratitude and lots of
love towards my dearest friends Rajen Katharani and Samratbhai for
their kind concern and moral support.
Many many special thanks and lots of love to my dearest
colleagues Nilay Pandya, Hardevsinh Vala, Shailesh Thakrar and Shrey
Parekh for their constant help and support throughout my research
tenure.
I would like to convey my pleasant heartily thankfulness to my
dearest friend and “Nagar-Bandhu”, Pranav Vachharajani for his time
being help and moral support.
I am also thankful to Dr. Yogesh Naliapara and all my seniors. I
would like to thank Vijay Virsodia, Nikhil Vekariya, Rupesh Khunt,
Jitender Bariwal, Ravi Chaniyara, Bhavin Marvania, Punit Rasadiya,
Bharat Savaliya, Manisha Parmar, Abhay Bavishi, Rakshit Thakkar,