I am able to get the solution to this issue.
pl find the batch files contents attached.
main batch file
@setlocal
@set CUR_DIR=%CD%
start /B Connect_JLinkGDBServerCL.bat
start /B Start_GDB.bat %CUR_DIR%\SUITE_Objs\RTLSTagTest.elf
@endlocal
Connect_JLinkGDBServerCL.bat
%STM_base_dir%\JLinkGDBServerCL.exe -port 2331 -s -device STM32L462RE -endian little -speed 4000 -if swd -swoport 2332 -telnetport 2333 -noreset -noir -localhostonly 1 - singlerun -strict -timout 0 -nogui
Start_GDB.bat batch file
%GDB_DIR%\arm-none-eabi-gdb.exe --command=Gdb_StartUp.gdb %1
Gdb_StartUp.gdb file
target remote localhost:2331
load
break my_end
print coverage_data_pool
c
quit
with all connected batch file i am able to resolve this issue.
thanks for your support.