Am 18 yrs experienced in only TCS ,,, Is it wise to explore other opportunities ? ( I have my ups and down here it’s not a easy Journey

It's never too late buddy. Upskill and get out of comfort zone. It will definitely help for your future. If you don't mind, what's your current CTC and band?

At least 3 year is must in today's situation

Yes of course tcs corporate policies are made to create such people like you

With 18 years at TCS, exploring new opportunities can bring fresh challenges and growth. Consider your career goals and personal priorities before making a decision.