if your kind of budget is very low. this is for you.
right outside kempe gowda bus station and city railway station . it is very economical. cost you just 320 indian rupees or just$6.4. with that you get single room with bathroom and indian toilet and television. simple old furniture. like cot and one steel chair. nothing else is provided. no air conditioning. try to take the top floor especially 5th floor , good view of the city and at times windy