Ana Sagar STP is a Sewage treatment plant located in B-46, Pushkar Rd, Ajmer, Rajasthan, IN . ... Ana Sagar STP is a Sewage treatment plant located at B-46, Pushkar Rd, Haribhau Upadhyay Nagar, Ajmer, Rajasthan 305004, IN. The establishment is listed under sewage treatment plant category. It has received 2 reviews with an average rating …