Kailash ji,
Thanks for asking the question. Let me try to address your query.
The telecom as a sector has a very bright future in India. The current growth story of telecom is limited to urban sector only, the next BIG boom is anticipated from rural areas. As per estimates this sector will grow by 15 % CAGR ( Compound Annual Growth Rate) till 2014. There are lot of value additions, which are going to come for URBAN consumers too those are like 3G and IPTV. There are many new companies which are still entering onto the telecom market like Unitech, Aircell, Shyam Telecom etc.
So definitely there would be huge requirement for *skilled* man power in this sector be it hardware,software or marketing. I don't know in which area of hardware you are but wherever you are try to enhance your skill . Keep yourself updated with latest trends in your hardware area, subscribe to some magazines, newsletters to keep yourself updated, talk to different people of your sector, participate in seminars,forums, talk to experts to get their views. The ultimate aim should be to have the latest skills available with you.
If you have the skills then no-one can prevent you from achieving the greater heights. Best Wishes from my side.
If you have any specific question on specialized hardware then please send me personal mail. You can also send your CV so that I can see that and suggest you some thing specific to your requirement.