Hi,
CTC is cost to the company on annual basis.
Gross salary includes Basic, HRA, Other Allowances, conveyance etc. the component which is given on Monthly basis.You multiply this by 12 to arrive at Gross Salary per annum.
CTC includes all the components of (A) Gross Salary, (B)Statutory contributions such as PF, ESIC, Bonus (C) LTA (Once per year), Other perks such as CAR, Telephone, Driver, CAR Maintenance, House,
Insurance etc. in short all the cost that company has to incur on the particular position.
CTC concept varies from company to company.
Trust this clarifies your query, pl. feel free to ask for any clarification.
Regards,
Seema