suggest rechargeable cells with mah for radio transmitter

kp

Which is your transmitter? with out some info, no one can help you.
ps. as what you need is a suggestion on LiPo for transmitter, you may consider moving this thread to radio related board.

fs-t6

Turnigy 1450mAh transmitter pack is suitable for this radio, also radiocraft has a suitable LiPo for sale check this,
http://www.rcindia.org/for-sale/cheap-sale-of-batteries-esc-and-radio-control/msg202019/#msg202019
In that sale thread, item 3. Radio transmitter lipo battery 3S lipo Cost: ₹1250/- , is suitable for your radio.