Syntax Error in my grammar production with Bison

Syntax Error in my grammar production with Bison

References

Reference NO 1

http://stackoverflow.com/questions/15192011/syntax-error-in-my-grammar-production-with-bison

Reference NO 2

http://stackoverflow.com/questions/17138890/bison-grammar-rules-for-a-custom-pascal-like-language

Reference NO 3

http://www.ibm.com/developerworks/linux/library/l-flexbison/index.html

Reference NO 4

http://web.eecs.utk.edu/~bvz/teaching/cs461Sp11/notes/bison/

Reference NO 5

http://fixunix.com/unix/520032-flex-bison-problem-syntax-error-shouldnt.html

Reference NO 6

https://engineering.purdue.edu/~milind/ece573/2013fall/project/bison.html

Reference NO 7

http://oreilly.com/linux/excerpts/9780596155971/error-reporting-recovery.html

Reference NO 8

https://github.com/zaach/jison/issues/173