please take below example

declare @tbl table (Col1 int,Col2 int,Col3 int,Col4 int,Col5 int,Col6 int,Col7 int,

Col8 int,Col9 int,Col10 int,Col11 int,Col12 int,Col13 int,Col14 int,Col15 int,Col16 int,

Col17 int,Col18 int,Col19 int,Col20 int,Col21 int,Col22 int,Col23 int,Col24 int,Col25 int,

Col26 int,Col27 int,Col28 int,Col29 int,Col30 int,Col31 int,Col32 int,Col33 int,col34 int)

insert @tbl

select 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34

union

select 10,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34

union

select 20,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34

union

select 30,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34

union

select 40,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34

select SUM(Col1) Total,Col2,Col3,Col4,Col5,Col6,Col7,Col8,Col9,Col10,Col11,Col12,Col13,Col14,Col15,

Col16,Col17,Col18,Col19,Col20,Col21,Col22,Col23,Col24,Col25,Col26,Col27,Col28,Col29,Col30 from @tbl

group by

grouping sets ((),(Col1,Col2),(Col1,Col2,Col3),(Col1,Col2,Col3,Col4),(Col1,Col2,Col3,Col4,COL5),

(Col2,Col3,Col4,Col5,Col6,Col7,Col8,Col9,Col10,Col11,Col12,Col13,Col14,Col15,

Col16,Col17,Col18,Col19,Col20,Col21,Col22,Col23,Col24,Col25,Col26,Col27,Col28,Col29,Col30,col31,col32,col33))

plz check

after executing above query its giving error

plz lookinto my issue

"Msg 10706, Level 16, State 1, Line 27

Too many expressions are specified in the GROUP BY clause. The maximum number is 32 when grouping sets are supplied."