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A A S S
TTUDUDYYONONS S
IIGGNNAALLLLIINNGGS S
YYSSTTEEMMSSOOFFI I
NNDDIIAANNR R
AIAILLWWAAYYSSThesis submitted to the
Indian Institute of Technology, Kharagpur, India for the award of the degree of
DOCTOR OF PHILOSOPHY
BY
SU S UB BH HA AS SH H C C HA H AN ND DR RA A PA P A NJ N JA A
DEPARTMENT OF INDUSTRIAL ENGINEERING AND MANAGEMENT INDIAN INSTITUTE OF TECHNOLOGY, KHARAGPUR
KHARAGPUR – 721 302, INDIA
JJUUNNEE,,20200077
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Dedicated to
My Parents, Sri Dibakar Panja and Smt Kajal Lata Panja
And
My Beloved Wife, Moitreyee
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CERTIFICATEȱ ȱ
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ȱ ȱ ȱ ȱȱȱȱȱȱȱ(DrȱPradipȱKumarȱRay)ȱ
ȱ ȱ ȱ ȱ ȱ ȱ ȱ ȱȱȱȱȱȱȱȱȱProfessorȱandȱHeadȱ
DepartmentȱofȱIndustrialȱEngineeringȱandȱManagementȱ ȱ ȱ ȱ IndianȱInstituteȱofȱTechnology,ȱKharagpurȱ
ȱ ȱ ȱ ȱ ȱ ȱ ȱ ȱȱȱȱKharagpurȬ721302,ȱIndiaȱ
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A A CK C KN NO OW WL LE ED DG G EM E ME EN NT TS S
As I prepare to submit this doctoral thesis making the culmination of my research program, I remember, with overwhelming gratitude, the help and support rendered by many persons and organizations.
First of all, I take this opportunity to express my recondite sense of gratitude and indebtedness to the supervisor of my thesis, Dr Pradip Kumar Ray. A true friend, philosopher, and guide, his constant and continuous encouragement has been the source of inspiration throughout my research program. I am extremely thankful to him for giving me complete work freedom.
I would like to express my sincere thanks to Prof R N Banerjee and Dr K Vizayakumar, past Heads of the Department of Industrial Engineering and Management, IIT, Kharagpur for providing me with all facilities in the Department for smooth completion of my research work. I acknowledge my deep sense of gratitude to all the members of my doctoral scrutiny committee, Dr P K J Mohapatra, Dr B Mahanty, and Dr V N A Naikan and also to the other faculty members for their valuable suggestions and encouragement.
I am also thankful to the Staff of the Department of Indian Institute of Technology, Kharagpur.
The data for this research work would not have been available without the help of Mr Subhashis Ganguly, Mr V Soreng, Mr S Chattapadhyaya, Mr P Mondal, Mr Banerjee, Mr Biswas, Mr Pal and other supporting staff, South Eastern Section of Indian Railways, India. I do appreciate your help.
Munificent support and constant encouragement from my friends played a great part in the completion of my research work. I am profoundly grateful to Malay Kanti Ghosh, Sudipta Ghosh, Soumendra Nath Kuiry, Rajat Mahaptra, Taniya Mahapatra, Rajib Mahapatra, Sukharanjan Samadder, Anjan Chakravorty, Deepayan Shome, Sooraj, Jyoti, Barik, Santanu, N P Nayak, Surajit Banerjee, Prof R K P Chakraboty, Prof J P Chaterjee and all my friends for their constant help in various stages and also for making my stay enjoyable throughout the research period.
Last but not the list, the successful completion of this research work is attributed to the dedicated support of all my family members and relatives, who have been a major source of motivation and strength during my endeavour.
IIT Kharagpur (Subhash Chandra Panja)
June, 2007
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“A “ An n ou o u nc n ce e of o f a a ct c ti io on n is i s
Wo W or rt th h a a to t on n of o f th t he eo or ry y” ”
- Friedrich Engels
