I'm new to this world ...I'm from Coimbatore I want buy low cost tx near pls...pls help me

Please search around on the forum a bit. This topic has been discussed multiple times. Read these since you are new: http://www.rcindia.org/rc-india-forum/the-rc-india-gems/.

Welcome to RCIndia sanjeevi ,
You can get RCB6i from RCbazaar.com , it's the cheapest option in 6Ch now available in hobbyshops in India,
Also there is a special board called ' wanted' for posts like this knd, so please move this post of yours to the wanted board, so that more people will come across your query.

pls take time to visit rcindia gems,
http://www.rcindia.org/rc-india-forum/the-rc-india-gems/

there you will find some details and guidelines to members on this forum.
Happy RCying

@SK, you are a step ahead of me anywhere

  well I am online A LOT these days since I have holidays. Plus your reply was more detailed than mine  . The RCB6i is what I use and it is really good for the price. Sadly, it is out of stock. In fact, I would have bought a TH-9x for my first radio but it was out of stock everywhere.

yeah , so that's where you did crossed me,- while I was typing it up - 'm not expert in typewriting, but my mum is !!

Is rcb6i outta stock too , but a call to rcb may help , sometimes they have stock in pune warehouse - can't blame them they are busy with the opening of new shops .

I have recently found 9Ch radios in stock in some shops-

Sanjeevi check. This http://rcmumbai.com/?i_cat=tx-Rx these are the cheapest tx Rx set available at present.or check sale thread.

Check your pm

i have a fst6 for sale ,, mint condition , used a few times . purchased for 4000 , selling for 3500 excluding shipping .