Date : DR Palashmoni Saikia Associate professor Department of chemistry
ACKNOWLEDGEMENT I am grateful to almighty for giving me the inner strength and vision in my journey of life where this project work is no less a milestone . First of all, I would like to express my sincere gratitude and thanks to my chemistry mentor MR Pronil Bora for his vital support , guidance and encouragement without which this project would not have come forth. I express my special thanks and gratitude to my teacher DR Palashmoni Saikia for his continuous support advices and for giving useful suggestion and relevant ideas that facilitate an easy and early completion of this project. I am grateful to Prof. Dharmendra Sharma, The HOD , Department of chemistry for providing us the lab facilities and chemical required for carrying out this investigation. I also express my gratitude to our lab assistants Sri Niranjan Deka, Sri Pranjal Borah, Sri Pratim Saikia and Sri Ratul Borah for their willingness in providing us with necessary lab equipments and constant support without which its effort would have been worthless. I am grateful to my parents whose blessing wishes have gone a long way in the completion of this task. Last but not the least I thank all my friends without whose inspirations and support this report would